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Finding the Fourth Proportional to 492,072.10, 738,108.15 and 314,779.30

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Solution

The fourth proportional to 492,072.10, 738,108.15 and 314,779.30 is: 472,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,072.10 : 738,108.15 = 314,779.30 : x
  2. Step 2: Convert to fraction form
    492,072.10/738,108.15 = 314,779.30/x
  3. Step 3: Cross multiply
    492,072.10x = 738,108.15 × 314,779.30
  4. Step 4: Simplify right side
    492,072.10x = 232,341,166,781.30
  5. Step 5: Solve for x
    x = 232,341,166,781.30/492,072.10
  6. Step 6: Final answer
    x = 472,168.95

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Similar ratio
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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.