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Finding the Fourth Proportional to 253,894.43, 380,720.59 and 93,963.17

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Solution

The fourth proportional to 253,894.43, 380,720.59 and 93,963.17 is: 140,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,894.43 : 380,720.59 = 93,963.17 : x
  2. Step 2: Convert to fraction form
    253,894.43/380,720.59 = 93,963.17/x
  3. Step 3: Cross multiply
    253,894.43x = 380,720.59 × 93,963.17
  4. Step 4: Simplify right side
    253,894.43x = 35,773,714,237.56
  5. Step 5: Solve for x
    x = 35,773,714,237.56/253,894.43
  6. Step 6: Final answer
    x = 140,899.96

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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.