Home / 288,517.89-398,086.46-167,587.35

Finding the Fourth Proportional to 288,517.89, 398,086.46 and 167,587.35

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Solution

The fourth proportional to 288,517.89, 398,086.46 and 167,587.35 is: 231,230.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,517.89 : 398,086.46 = 167,587.35 : x
  2. Step 2: Convert to fraction form
    288,517.89/398,086.46 = 167,587.35/x
  3. Step 3: Cross multiply
    288,517.89x = 398,086.46 × 167,587.35
  4. Step 4: Simplify right side
    288,517.89x = 66,714,254,064.34
  5. Step 5: Solve for x
    x = 66,714,254,064.34/288,517.89
  6. Step 6: Final answer
    x = 231,230.91

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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.