Home / 332,278.20-498,417.30-155,131.20

Finding the Fourth Proportional to 332,278.20, 498,417.30 and 155,131.20

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Solution

The fourth proportional to 332,278.20, 498,417.30 and 155,131.20 is: 232,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,278.20 : 498,417.30 = 155,131.20 : x
  2. Step 2: Convert to fraction form
    332,278.20/498,417.30 = 155,131.20/x
  3. Step 3: Cross multiply
    332,278.20x = 498,417.30 × 155,131.20
  4. Step 4: Simplify right side
    332,278.20x = 77,320,073,849.76
  5. Step 5: Solve for x
    x = 77,320,073,849.76/332,278.20
  6. Step 6: Final answer
    x = 232,696.80

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1.5x scale

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.