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Finding the Fourth Proportional to 306,567.92, 459,921.11 and 93,354.93

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Solution

The fourth proportional to 306,567.92, 459,921.11 and 93,354.93 is: 140,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,567.92 : 459,921.11 = 93,354.93 : x
  2. Step 2: Convert to fraction form
    306,567.92/459,921.11 = 93,354.93/x
  3. Step 3: Cross multiply
    306,567.92x = 459,921.11 × 93,354.93
  4. Step 4: Simplify right side
    306,567.92x = 42,935,902,562.80
  5. Step 5: Solve for x
    x = 42,935,902,562.80/306,567.92
  6. Step 6: Final answer
    x = 140,053.47

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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.