Home / 579,046.50-868,356.18-199,870.38

Finding the Fourth Proportional to 579,046.50, 868,356.18 and 199,870.38

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Solution

The fourth proportional to 579,046.50, 868,356.18 and 199,870.38 is: 299,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,046.50 : 868,356.18 = 199,870.38 : x
  2. Step 2: Convert to fraction form
    579,046.50/868,356.18 = 199,870.38/x
  3. Step 3: Cross multiply
    579,046.50x = 868,356.18 × 199,870.38
  4. Step 4: Simplify right side
    579,046.50x = 173,558,679,671.95
  5. Step 5: Solve for x
    x = 173,558,679,671.95/579,046.50
  6. Step 6: Final answer
    x = 299,731.85

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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.