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Finding the Fourth Proportional to 540,043.80, 810,065.70 and 185,004.60

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Solution

The fourth proportional to 540,043.80, 810,065.70 and 185,004.60 is: 277,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,043.80 : 810,065.70 = 185,004.60 : x
  2. Step 2: Convert to fraction form
    540,043.80/810,065.70 = 185,004.60/x
  3. Step 3: Cross multiply
    540,043.80x = 810,065.70 × 185,004.60
  4. Step 4: Simplify right side
    540,043.80x = 149,865,880,802.22
  5. Step 5: Solve for x
    x = 149,865,880,802.22/540,043.80
  6. Step 6: Final answer
    x = 277,506.90

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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.