Home / 361,456.12-498,829.42-200,307.80

Finding the Fourth Proportional to 361,456.12, 498,829.42 and 200,307.80

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Solution

The fourth proportional to 361,456.12, 498,829.42 and 200,307.80 is: 276,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,456.12 : 498,829.42 = 200,307.80 : x
  2. Step 2: Convert to fraction form
    361,456.12/498,829.42 = 200,307.80/x
  3. Step 3: Cross multiply
    361,456.12x = 498,829.42 × 200,307.80
  4. Step 4: Simplify right side
    361,456.12x = 99,919,423,695.48
  5. Step 5: Solve for x
    x = 99,919,423,695.48/361,456.12
  6. Step 6: Final answer
    x = 276,435.83

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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.