Home / 283,304.10-390,982.56-162,456.66

Finding the Fourth Proportional to 283,304.10, 390,982.56 and 162,456.66

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Solution

The fourth proportional to 283,304.10, 390,982.56 and 162,456.66 is: 224,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,304.10 : 390,982.56 = 162,456.66 : x
  2. Step 2: Convert to fraction form
    283,304.10/390,982.56 = 162,456.66/x
  3. Step 3: Cross multiply
    283,304.10x = 390,982.56 × 162,456.66
  4. Step 4: Simplify right side
    283,304.10x = 63,517,720,815.85
  5. Step 5: Solve for x
    x = 63,517,720,815.85/283,304.10
  6. Step 6: Final answer
    x = 224,203.32

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1.5x scale

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.