Home / 288,553.20-398,135.04-167,622.60

Finding the Fourth Proportional to 288,553.20, 398,135.04 and 167,622.60

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Solution

The fourth proportional to 288,553.20, 398,135.04 and 167,622.60 is: 231,279.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,553.20 : 398,135.04 = 167,622.60 : x
  2. Step 2: Convert to fraction form
    288,553.20/398,135.04 = 167,622.60/x
  3. Step 3: Cross multiply
    288,553.20x = 398,135.04 × 167,622.60
  4. Step 4: Simplify right side
    288,553.20x = 66,736,430,555.90
  5. Step 5: Solve for x
    x = 66,736,430,555.90/288,553.20
  6. Step 6: Final answer
    x = 231,279.47

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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.