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Finding the Fourth Proportional to 252,073.66, 347,848.52 and 156,578.44

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Solution

The fourth proportional to 252,073.66, 347,848.52 and 156,578.44 is: 216,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,073.66 : 347,848.52 = 156,578.44 : x
  2. Step 2: Convert to fraction form
    252,073.66/347,848.52 = 156,578.44/x
  3. Step 3: Cross multiply
    252,073.66x = 347,848.52 × 156,578.44
  4. Step 4: Simplify right side
    252,073.66x = 54,465,578,617.91
  5. Step 5: Solve for x
    x = 54,465,578,617.91/252,073.66
  6. Step 6: Final answer
    x = 216,070.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.