Home / 361,429.13-498,775.16-200,286.87

Finding the Fourth Proportional to 361,429.13, 498,775.16 and 200,286.87

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Solution

The fourth proportional to 361,429.13, 498,775.16 and 200,286.87 is: 276,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,429.13 : 498,775.16 = 200,286.87 : x
  2. Step 2: Convert to fraction form
    361,429.13/498,775.16 = 200,286.87/x
  3. Step 3: Cross multiply
    361,429.13x = 498,775.16 × 200,286.87
  4. Step 4: Simplify right side
    361,429.13x = 99,898,115,939.46
  5. Step 5: Solve for x
    x = 99,898,115,939.46/361,429.13
  6. Step 6: Final answer
    x = 276,397.52

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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.