Home / 331,230.28-456,780.18-222,580.12

Finding the Fourth Proportional to 331,230.28, 456,780.18 and 222,580.12

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Solution

The fourth proportional to 331,230.28, 456,780.18 and 222,580.12 is: 306,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,230.28 : 456,780.18 = 222,580.12 : x
  2. Step 2: Convert to fraction form
    331,230.28/456,780.18 = 222,580.12/x
  3. Step 3: Cross multiply
    331,230.28x = 456,780.18 × 222,580.12
  4. Step 4: Simplify right side
    331,230.28x = 101,670,187,278.02
  5. Step 5: Solve for x
    x = 101,670,187,278.02/331,230.28
  6. Step 6: Final answer
    x = 306,947.14

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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.