Home / 268,349.31-370,322.28-147,489.66

Finding the Fourth Proportional to 268,349.31, 370,322.28 and 147,489.66

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Solution

The fourth proportional to 268,349.31, 370,322.28 and 147,489.66 is: 203,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,349.31 : 370,322.28 = 147,489.66 : x
  2. Step 2: Convert to fraction form
    268,349.31/370,322.28 = 147,489.66/x
  3. Step 3: Cross multiply
    268,349.31x = 370,322.28 × 147,489.66
  4. Step 4: Simplify right side
    268,349.31x = 54,618,707,167.62
  5. Step 5: Solve for x
    x = 54,618,707,167.62/268,349.31
  6. Step 6: Final answer
    x = 203,535.86

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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.