Home / 252,842.28-348,989.40-157,294.68

Finding the Fourth Proportional to 252,842.28, 348,989.40 and 157,294.68

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Solution

The fourth proportional to 252,842.28, 348,989.40 and 157,294.68 is: 217,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,842.28 : 348,989.40 = 157,294.68 : x
  2. Step 2: Convert to fraction form
    252,842.28/348,989.40 = 157,294.68/x
  3. Step 3: Cross multiply
    252,842.28x = 348,989.40 × 157,294.68
  4. Step 4: Simplify right side
    252,842.28x = 54,894,175,996.39
  5. Step 5: Solve for x
    x = 54,894,175,996.39/252,842.28
  6. Step 6: Final answer
    x = 217,108.37

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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.