Home / 288,005.22-397,446.55-167,217.21

Finding the Fourth Proportional to 288,005.22, 397,446.55 and 167,217.21

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Solution

The fourth proportional to 288,005.22, 397,446.55 and 167,217.21 is: 230,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,005.22 : 397,446.55 = 167,217.21 : x
  2. Step 2: Convert to fraction form
    288,005.22/397,446.55 = 167,217.21/x
  3. Step 3: Cross multiply
    288,005.22x = 397,446.55 × 167,217.21
  4. Step 4: Simplify right side
    288,005.22x = 66,459,902,797.08
  5. Step 5: Solve for x
    x = 66,459,902,797.08/288,005.22
  6. Step 6: Final answer
    x = 230,759.37

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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.