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Finding the Fourth Proportional to 540,552.30, 810,828.45 and 260,097.90

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Solution

The fourth proportional to 540,552.30, 810,828.45 and 260,097.90 is: 390,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,552.30 : 810,828.45 = 260,097.90 : x
  2. Step 2: Convert to fraction form
    540,552.30/810,828.45 = 260,097.90/x
  3. Step 3: Cross multiply
    540,552.30x = 810,828.45 × 260,097.90
  4. Step 4: Simplify right side
    540,552.30x = 210,894,777,105.26
  5. Step 5: Solve for x
    x = 210,894,777,105.26/540,552.30
  6. Step 6: Final answer
    x = 390,146.85

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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.