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Finding the Fourth Proportional to 177,565.32, 266,248.62 and 72,261

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Solution

The fourth proportional to 177,565.32, 266,248.62 and 72,261 is: 108,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,565.32 : 266,248.62 = 72,261 : x
  2. Step 2: Convert to fraction form
    177,565.32/266,248.62 = 72,261/x
  3. Step 3: Cross multiply
    177,565.32x = 266,248.62 × 72,261
  4. Step 4: Simplify right side
    177,565.32x = 19,239,391,529.82
  5. Step 5: Solve for x
    x = 19,239,391,529.82/177,565.32
  6. Step 6: Final answer
    x = 108,351.07

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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.