Home / 282,781.43-390,215.17-166,476.43

Finding the Fourth Proportional to 282,781.43, 390,215.17 and 166,476.43

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Solution

The fourth proportional to 282,781.43, 390,215.17 and 166,476.43 is: 229,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,781.43 : 390,215.17 = 166,476.43 : x
  2. Step 2: Convert to fraction form
    282,781.43/390,215.17 = 166,476.43/x
  3. Step 3: Cross multiply
    282,781.43x = 390,215.17 × 166,476.43
  4. Step 4: Simplify right side
    282,781.43x = 64,961,629,129.31
  5. Step 5: Solve for x
    x = 64,961,629,129.31/282,781.43
  6. Step 6: Final answer
    x = 229,723.82

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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.