Home / 361,155.90-498,478.08-240,302.28

Finding the Fourth Proportional to 361,155.90, 498,478.08 and 240,302.28

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Solution

The fourth proportional to 361,155.90, 498,478.08 and 240,302.28 is: 331,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,155.90 : 498,478.08 = 240,302.28 : x
  2. Step 2: Convert to fraction form
    361,155.90/498,478.08 = 240,302.28/x
  3. Step 3: Cross multiply
    361,155.90x = 498,478.08 × 240,302.28
  4. Step 4: Simplify right side
    361,155.90x = 119,785,419,154.02
  5. Step 5: Solve for x
    x = 119,785,419,154.02/361,155.90
  6. Step 6: Final answer
    x = 331,672.33

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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.