Home / 280,001.18-419,999.94-167,713.32

Finding the Fourth Proportional to 280,001.18, 419,999.94 and 167,713.32

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Solution

The fourth proportional to 280,001.18, 419,999.94 and 167,713.32 is: 251,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,001.18 : 419,999.94 = 167,713.32 : x
  2. Step 2: Convert to fraction form
    280,001.18/419,999.94 = 167,713.32/x
  3. Step 3: Cross multiply
    280,001.18x = 419,999.94 × 167,713.32
  4. Step 4: Simplify right side
    280,001.18x = 70,439,584,337.20
  5. Step 5: Solve for x
    x = 70,439,584,337.20/280,001.18
  6. Step 6: Final answer
    x = 251,568.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.