Home / 279,832.22-419,748.30-69,470.15

Finding the Fourth Proportional to 279,832.22, 419,748.30 and 69,470.15

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Solution

The fourth proportional to 279,832.22, 419,748.30 and 69,470.15 is: 104,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,832.22 : 419,748.30 = 69,470.15 : x
  2. Step 2: Convert to fraction form
    279,832.22/419,748.30 = 69,470.15/x
  3. Step 3: Cross multiply
    279,832.22x = 419,748.30 × 69,470.15
  4. Step 4: Simplify right side
    279,832.22x = 29,159,975,264.50
  5. Step 5: Solve for x
    x = 29,159,975,264.50/279,832.22
  6. Step 6: Final answer
    x = 104,205.21

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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.