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Finding the Fourth Proportional to 288,773.27, 398,347.13 and 167,901.20

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Solution

The fourth proportional to 288,773.27, 398,347.13 and 167,901.20 is: 231,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,773.27 : 398,347.13 = 167,901.20 : x
  2. Step 2: Convert to fraction form
    288,773.27/398,347.13 = 167,901.20/x
  3. Step 3: Cross multiply
    288,773.27x = 398,347.13 × 167,901.20
  4. Step 4: Simplify right side
    288,773.27x = 66,882,961,065.38
  5. Step 5: Solve for x
    x = 66,882,961,065.38/288,773.27
  6. Step 6: Final answer
    x = 231,610.64

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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.