Home / 288,774.27-398,348.51-167,902.20

Finding the Fourth Proportional to 288,774.27, 398,348.51 and 167,902.20

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Solution

The fourth proportional to 288,774.27, 398,348.51 and 167,902.20 is: 231,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,774.27 : 398,348.51 = 167,902.20 : x
  2. Step 2: Convert to fraction form
    288,774.27/398,348.51 = 167,902.20/x
  3. Step 3: Cross multiply
    288,774.27x = 398,348.51 × 167,902.20
  4. Step 4: Simplify right side
    288,774.27x = 66,883,591,195.72
  5. Step 5: Solve for x
    x = 66,883,591,195.72/288,774.27
  6. Step 6: Final answer
    x = 231,612.02

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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.