Home / 361,488.40-498,854.03-200,353.85

Finding the Fourth Proportional to 361,488.40, 498,854.03 and 200,353.85

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Solution

The fourth proportional to 361,488.40, 498,854.03 and 200,353.85 is: 276,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,488.40 : 498,854.03 = 200,353.85 : x
  2. Step 2: Convert to fraction form
    361,488.40/498,854.03 = 200,353.85/x
  3. Step 3: Cross multiply
    361,488.40x = 498,854.03 × 200,353.85
  4. Step 4: Simplify right side
    361,488.40x = 99,947,323,505.13
  5. Step 5: Solve for x
    x = 99,947,323,505.13/361,488.40
  6. Step 6: Final answer
    x = 276,488.33

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1.5x scale

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.