Home / 443,264.13-664,830.07-123,382.57

Finding the Fourth Proportional to 443,264.13, 664,830.07 and 123,382.57

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Solution

The fourth proportional to 443,264.13, 664,830.07 and 123,382.57 is: 185,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,264.13 : 664,830.07 = 123,382.57 : x
  2. Step 2: Convert to fraction form
    443,264.13/664,830.07 = 123,382.57/x
  3. Step 3: Cross multiply
    443,264.13x = 664,830.07 × 123,382.57
  4. Step 4: Simplify right side
    443,264.13x = 82,028,443,695.04
  5. Step 5: Solve for x
    x = 82,028,443,695.04/443,264.13
  6. Step 6: Final answer
    x = 185,055.45

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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.