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Finding the Fourth Proportional to 465,718.20, 698,577.30 and 133,294.20

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Solution

The fourth proportional to 465,718.20, 698,577.30 and 133,294.20 is: 199,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,718.20 : 698,577.30 = 133,294.20 : x
  2. Step 2: Convert to fraction form
    465,718.20/698,577.30 = 133,294.20/x
  3. Step 3: Cross multiply
    465,718.20x = 698,577.30 × 133,294.20
  4. Step 4: Simplify right side
    465,718.20x = 93,116,302,341.66
  5. Step 5: Solve for x
    x = 93,116,302,341.66/465,718.20
  6. Step 6: Final answer
    x = 199,941.30

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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.