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Finding the Fourth Proportional to 373,609.51, 560,372.73 and 133,713.72

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Solution

The fourth proportional to 373,609.51, 560,372.73 and 133,713.72 is: 200,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,609.51 : 560,372.73 = 133,713.72 : x
  2. Step 2: Convert to fraction form
    373,609.51/560,372.73 = 133,713.72/x
  3. Step 3: Cross multiply
    373,609.51x = 560,372.73 × 133,713.72
  4. Step 4: Simplify right side
    373,609.51x = 74,929,522,314.86
  5. Step 5: Solve for x
    x = 74,929,522,314.86/373,609.51
  6. Step 6: Final answer
    x = 200,555.72

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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.