Home / 245,387.28-338,628.61-160,502.52

Finding the Fourth Proportional to 245,387.28, 338,628.61 and 160,502.52

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Solution

The fourth proportional to 245,387.28, 338,628.61 and 160,502.52 is: 221,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,387.28 : 338,628.61 = 160,502.52 : x
  2. Step 2: Convert to fraction form
    245,387.28/338,628.61 = 160,502.52/x
  3. Step 3: Cross multiply
    245,387.28x = 338,628.61 × 160,502.52
  4. Step 4: Simplify right side
    245,387.28x = 54,350,743,154.70
  5. Step 5: Solve for x
    x = 54,350,743,154.70/245,387.28
  6. Step 6: Final answer
    x = 221,489.66

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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.