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Finding the Fourth Proportional to 360,176.44, 540,287.70 and 138,560.44

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Solution

The fourth proportional to 360,176.44, 540,287.70 and 138,560.44 is: 207,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,176.44 : 540,287.70 = 138,560.44 : x
  2. Step 2: Convert to fraction form
    360,176.44/540,287.70 = 138,560.44/x
  3. Step 3: Cross multiply
    360,176.44x = 540,287.70 × 138,560.44
  4. Step 4: Simplify right side
    360,176.44x = 74,862,501,438.59
  5. Step 5: Solve for x
    x = 74,862,501,438.59/360,176.44
  6. Step 6: Final answer
    x = 207,849.52

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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.