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Finding the Fourth Proportional to 252,073.11, 347,857.29 and 144,640.92

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Solution

The fourth proportional to 252,073.11, 347,857.29 and 144,640.92 is: 199,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,073.11 : 347,857.29 = 144,640.92 : x
  2. Step 2: Convert to fraction form
    252,073.11/347,857.29 = 144,640.92/x
  3. Step 3: Cross multiply
    252,073.11x = 347,857.29 × 144,640.92
  4. Step 4: Simplify right side
    252,073.11x = 50,314,398,454.31
  5. Step 5: Solve for x
    x = 50,314,398,454.31/252,073.11
  6. Step 6: Final answer
    x = 199,602.40

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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.