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Finding the Fourth Proportional to 366,572.95, 549,724.56 and 126,625.80

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Solution

The fourth proportional to 366,572.95, 549,724.56 and 126,625.80 is: 189,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,572.95 : 549,724.56 = 126,625.80 : x
  2. Step 2: Convert to fraction form
    366,572.95/549,724.56 = 126,625.80/x
  3. Step 3: Cross multiply
    366,572.95x = 549,724.56 × 126,625.80
  4. Step 4: Simplify right side
    366,572.95x = 69,609,312,189.65
  5. Step 5: Solve for x
    x = 69,609,312,189.65/366,572.95
  6. Step 6: Final answer
    x = 189,892.11

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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.