Home / 331,020.64-456,805.92-180,117.28

Finding the Fourth Proportional to 331,020.64, 456,805.92 and 180,117.28

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Solution

The fourth proportional to 331,020.64, 456,805.92 and 180,117.28 is: 248,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,020.64 : 456,805.92 = 180,117.28 : x
  2. Step 2: Convert to fraction form
    331,020.64/456,805.92 = 180,117.28/x
  3. Step 3: Cross multiply
    331,020.64x = 456,805.92 × 180,117.28
  4. Step 4: Simplify right side
    331,020.64x = 82,278,639,798.30
  5. Step 5: Solve for x
    x = 82,278,639,798.30/331,020.64
  6. Step 6: Final answer
    x = 248,560.45

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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.