Home / 409,265.12-564,655.92-230,382.56

Finding the Fourth Proportional to 409,265.12, 564,655.92 and 230,382.56

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Solution

The fourth proportional to 409,265.12, 564,655.92 and 230,382.56 is: 317,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,265.12 : 564,655.92 = 230,382.56 : x
  2. Step 2: Convert to fraction form
    409,265.12/564,655.92 = 230,382.56/x
  3. Step 3: Cross multiply
    409,265.12x = 564,655.92 × 230,382.56
  4. Step 4: Simplify right side
    409,265.12x = 130,086,876,368.76
  5. Step 5: Solve for x
    x = 130,086,876,368.76/409,265.12
  6. Step 6: Final answer
    x = 317,854.78

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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.