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Finding the Fourth Proportional to 366,572.08, 549,723.25 and 126,624.92

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Solution

The fourth proportional to 366,572.08, 549,723.25 and 126,624.92 is: 189,890.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,572.08 : 549,723.25 = 126,624.92 : x
  2. Step 2: Convert to fraction form
    366,572.08/549,723.25 = 126,624.92/x
  3. Step 3: Cross multiply
    366,572.08x = 549,723.25 × 126,624.92
  4. Step 4: Simplify right side
    366,572.08x = 69,608,662,553.39
  5. Step 5: Solve for x
    x = 69,608,662,553.39/366,572.08
  6. Step 6: Final answer
    x = 189,890.79

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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.