Home / 259,502.47-358,148.79-152,115.30

Finding the Fourth Proportional to 259,502.47, 358,148.79 and 152,115.30

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Solution

The fourth proportional to 259,502.47, 358,148.79 and 152,115.30 is: 209,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,502.47 : 358,148.79 = 152,115.30 : x
  2. Step 2: Convert to fraction form
    259,502.47/358,148.79 = 152,115.30/x
  3. Step 3: Cross multiply
    259,502.47x = 358,148.79 × 152,115.30
  4. Step 4: Simplify right side
    259,502.47x = 54,479,910,635.49
  5. Step 5: Solve for x
    x = 54,479,910,635.49/259,502.47
  6. Step 6: Final answer
    x = 209,939.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.