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Finding the Fourth Proportional to 540,340.73, 810,419.16 and 180,470.78

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Solution

The fourth proportional to 540,340.73, 810,419.16 and 180,470.78 is: 270,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,340.73 : 810,419.16 = 180,470.78 : x
  2. Step 2: Convert to fraction form
    540,340.73/810,419.16 = 180,470.78/x
  3. Step 3: Cross multiply
    540,340.73x = 810,419.16 × 180,470.78
  4. Step 4: Simplify right side
    540,340.73x = 146,256,977,932.15
  5. Step 5: Solve for x
    x = 146,256,977,932.15/540,340.73
  6. Step 6: Final answer
    x = 270,675.46

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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.