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Finding the Fourth Proportional to 501,646.78, 752,468.10 and 181,723.73

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Solution

The fourth proportional to 501,646.78, 752,468.10 and 181,723.73 is: 272,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,646.78 : 752,468.10 = 181,723.73 : x
  2. Step 2: Convert to fraction form
    501,646.78/752,468.10 = 181,723.73/x
  3. Step 3: Cross multiply
    501,646.78x = 752,468.10 × 181,723.73
  4. Step 4: Simplify right side
    501,646.78x = 136,741,311,719.18
  5. Step 5: Solve for x
    x = 136,741,311,719.18/501,646.78
  6. Step 6: Final answer
    x = 272,584.85

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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.