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Finding the Fourth Proportional to 546,397.66, 819,522.66 and 147,062.40

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Solution

The fourth proportional to 546,397.66, 819,522.66 and 147,062.40 is: 220,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,397.66 : 819,522.66 = 147,062.40 : x
  2. Step 2: Convert to fraction form
    546,397.66/819,522.66 = 147,062.40/x
  3. Step 3: Cross multiply
    546,397.66x = 819,522.66 × 147,062.40
  4. Step 4: Simplify right side
    546,397.66x = 120,520,969,233.98
  5. Step 5: Solve for x
    x = 120,520,969,233.98/546,397.66
  6. Step 6: Final answer
    x = 220,573.73

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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.