Home / 280,760.48-387,325.08-167,517.44

Finding the Fourth Proportional to 280,760.48, 387,325.08 and 167,517.44

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Solution

The fourth proportional to 280,760.48, 387,325.08 and 167,517.44 is: 231,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,760.48 : 387,325.08 = 167,517.44 : x
  2. Step 2: Convert to fraction form
    280,760.48/387,325.08 = 167,517.44/x
  3. Step 3: Cross multiply
    280,760.48x = 387,325.08 × 167,517.44
  4. Step 4: Simplify right side
    280,760.48x = 64,883,705,849.40
  5. Step 5: Solve for x
    x = 64,883,705,849.40/280,760.48
  6. Step 6: Final answer
    x = 231,099.85

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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.