Home / 482,702.16-724,029.69-179,155.38

Finding the Fourth Proportional to 482,702.16, 724,029.69 and 179,155.38

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Solution

The fourth proportional to 482,702.16, 724,029.69 and 179,155.38 is: 268,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,702.16 : 724,029.69 = 179,155.38 : x
  2. Step 2: Convert to fraction form
    482,702.16/724,029.69 = 179,155.38/x
  3. Step 3: Cross multiply
    482,702.16x = 724,029.69 × 179,155.38
  4. Step 4: Simplify right side
    482,702.16x = 129,713,814,243.23
  5. Step 5: Solve for x
    x = 129,713,814,243.23/482,702.16
  6. Step 6: Final answer
    x = 268,724.33

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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.