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Finding the Fourth Proportional to 373,423.80, 560,134.62 and 92,940.96

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Solution

The fourth proportional to 373,423.80, 560,134.62 and 92,940.96 is: 139,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,423.80 : 560,134.62 = 92,940.96 : x
  2. Step 2: Convert to fraction form
    373,423.80/560,134.62 = 92,940.96/x
  3. Step 3: Cross multiply
    373,423.80x = 560,134.62 × 92,940.96
  4. Step 4: Simplify right side
    373,423.80x = 52,059,449,312.04
  5. Step 5: Solve for x
    x = 52,059,449,312.04/373,423.80
  6. Step 6: Final answer
    x = 139,411.17

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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.