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Finding the Fourth Proportional to 373,706.11, 560,225.85 and 136,993.53

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Solution

The fourth proportional to 373,706.11, 560,225.85 and 136,993.53 is: 205,368.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,706.11 : 560,225.85 = 136,993.53 : x
  2. Step 2: Convert to fraction form
    373,706.11/560,225.85 = 136,993.53/x
  3. Step 3: Cross multiply
    373,706.11x = 560,225.85 × 136,993.53
  4. Step 4: Simplify right side
    373,706.11x = 76,747,316,788.75
  5. Step 5: Solve for x
    x = 76,747,316,788.75/373,706.11
  6. Step 6: Final answer
    x = 205,368.11

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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.