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Finding the Fourth Proportional to 608,331.79, 912,487.64 and 181,868.61

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Solution

The fourth proportional to 608,331.79, 912,487.64 and 181,868.61 is: 272,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,331.79 : 912,487.64 = 181,868.61 : x
  2. Step 2: Convert to fraction form
    608,331.79/912,487.64 = 181,868.61/x
  3. Step 3: Cross multiply
    608,331.79x = 912,487.64 × 181,868.61
  4. Step 4: Simplify right side
    608,331.79x = 165,952,859,183.65
  5. Step 5: Solve for x
    x = 165,952,859,183.65/608,331.79
  6. Step 6: Final answer
    x = 272,799.91

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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.