Home / 282,432.30-423,514.80-164,139.90

Finding the Fourth Proportional to 282,432.30, 423,514.80 and 164,139.90

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Solution

The fourth proportional to 282,432.30, 423,514.80 and 164,139.90 is: 246,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,432.30 : 423,514.80 = 164,139.90 : x
  2. Step 2: Convert to fraction form
    282,432.30/423,514.80 = 164,139.90/x
  3. Step 3: Cross multiply
    282,432.30x = 423,514.80 × 164,139.90
  4. Step 4: Simplify right side
    282,432.30x = 69,515,676,920.52
  5. Step 5: Solve for x
    x = 69,515,676,920.52/282,432.30
  6. Step 6: Final answer
    x = 246,132.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.