Home / 279,937.10-419,905.65-167,962.70

Finding the Fourth Proportional to 279,937.10, 419,905.65 and 167,962.70

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Solution

The fourth proportional to 279,937.10, 419,905.65 and 167,962.70 is: 251,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937.10 : 419,905.65 = 167,962.70 : x
  2. Step 2: Convert to fraction form
    279,937.10/419,905.65 = 167,962.70/x
  3. Step 3: Cross multiply
    279,937.10x = 419,905.65 × 167,962.70
  4. Step 4: Simplify right side
    279,937.10x = 70,528,486,719.26
  5. Step 5: Solve for x
    x = 70,528,486,719.26/279,937.10
  6. Step 6: Final answer
    x = 251,944.05

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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.