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Finding the Fourth Proportional to 376,872.72, 565,301.08 and 110,627.28

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Solution

The fourth proportional to 376,872.72, 565,301.08 and 110,627.28 is: 165,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,872.72 : 565,301.08 = 110,627.28 : x
  2. Step 2: Convert to fraction form
    376,872.72/565,301.08 = 110,627.28/x
  3. Step 3: Cross multiply
    376,872.72x = 565,301.08 × 110,627.28
  4. Step 4: Simplify right side
    376,872.72x = 62,537,720,861.46
  5. Step 5: Solve for x
    x = 62,537,720,861.46/376,872.72
  6. Step 6: Final answer
    x = 165,938.57

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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.