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Finding the Fourth Proportional to 252,391.98, 348,301.18 and 144,982.80

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Solution

The fourth proportional to 252,391.98, 348,301.18 and 144,982.80 is: 200,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,391.98 : 348,301.18 = 144,982.80 : x
  2. Step 2: Convert to fraction form
    252,391.98/348,301.18 = 144,982.80/x
  3. Step 3: Cross multiply
    252,391.98x = 348,301.18 × 144,982.80
  4. Step 4: Simplify right side
    252,391.98x = 50,497,680,319.70
  5. Step 5: Solve for x
    x = 50,497,680,319.70/252,391.98
  6. Step 6: Final answer
    x = 200,076.41

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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.