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Finding the Fourth Proportional to 366,156.71, 549,294.29 and 113,377.78

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Solution

The fourth proportional to 366,156.71, 549,294.29 and 113,377.78 is: 170,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,156.71 : 549,294.29 = 113,377.78 : x
  2. Step 2: Convert to fraction form
    366,156.71/549,294.29 = 113,377.78/x
  3. Step 3: Cross multiply
    366,156.71x = 549,294.29 × 113,377.78
  4. Step 4: Simplify right side
    366,156.71x = 62,277,766,077.08
  5. Step 5: Solve for x
    x = 62,277,766,077.08/366,156.71
  6. Step 6: Final answer
    x = 170,085.01

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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.