Home / 268,356.43-370,335.68-147,508.89

Finding the Fourth Proportional to 268,356.43, 370,335.68 and 147,508.89

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Solution

The fourth proportional to 268,356.43, 370,335.68 and 147,508.89 is: 203,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,356.43 : 370,335.68 = 147,508.89 : x
  2. Step 2: Convert to fraction form
    268,356.43/370,335.68 = 147,508.89/x
  3. Step 3: Cross multiply
    268,356.43x = 370,335.68 × 147,508.89
  4. Step 4: Simplify right side
    268,356.43x = 54,627,805,084.20
  5. Step 5: Solve for x
    x = 54,627,805,084.20/268,356.43
  6. Step 6: Final answer
    x = 203,564.36

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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.