Home / 327,920.81-452,739.65-267,635.24

Finding the Fourth Proportional to 327,920.81, 452,739.65 and 267,635.24

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Solution

The fourth proportional to 327,920.81, 452,739.65 and 267,635.24 is: 369,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,920.81 : 452,739.65 = 267,635.24 : x
  2. Step 2: Convert to fraction form
    327,920.81/452,739.65 = 267,635.24/x
  3. Step 3: Cross multiply
    327,920.81x = 452,739.65 × 267,635.24
  4. Step 4: Simplify right side
    327,920.81x = 121,169,082,981.17
  5. Step 5: Solve for x
    x = 121,169,082,981.17/327,920.81
  6. Step 6: Final answer
    x = 369,507.15

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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.