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Finding the Fourth Proportional to 252,414.78, 348,305.48 and 139,237.52

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Solution

The fourth proportional to 252,414.78, 348,305.48 and 139,237.52 is: 192,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,414.78 : 348,305.48 = 139,237.52 : x
  2. Step 2: Convert to fraction form
    252,414.78/348,305.48 = 139,237.52/x
  3. Step 3: Cross multiply
    252,414.78x = 348,305.48 × 139,237.52
  4. Step 4: Simplify right side
    252,414.78x = 48,497,191,237.61
  5. Step 5: Solve for x
    x = 48,497,191,237.61/252,414.78
  6. Step 6: Final answer
    x = 192,132.93

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1.5x scale

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.