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Finding the Fourth Proportional to 540,087.40, 810,131.10 and 185,104.90

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Solution

The fourth proportional to 540,087.40, 810,131.10 and 185,104.90 is: 277,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,087.40 : 810,131.10 = 185,104.90 : x
  2. Step 2: Convert to fraction form
    540,087.40/810,131.10 = 185,104.90/x
  3. Step 3: Cross multiply
    540,087.40x = 810,131.10 × 185,104.90
  4. Step 4: Simplify right side
    540,087.40x = 149,959,236,252.39
  5. Step 5: Solve for x
    x = 149,959,236,252.39/540,087.40
  6. Step 6: Final answer
    x = 277,657.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.