Home / 288,405.27-397,997.01-167,617.26

Finding the Fourth Proportional to 288,405.27, 397,997.01 and 167,617.26

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Solution

The fourth proportional to 288,405.27, 397,997.01 and 167,617.26 is: 231,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,405.27 : 397,997.01 = 167,617.26 : x
  2. Step 2: Convert to fraction form
    288,405.27/397,997.01 = 167,617.26/x
  3. Step 3: Cross multiply
    288,405.27x = 397,997.01 × 167,617.26
  4. Step 4: Simplify right side
    288,405.27x = 66,711,168,304.39
  5. Step 5: Solve for x
    x = 66,711,168,304.39/288,405.27
  6. Step 6: Final answer
    x = 231,310.50

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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.