Home / 279,952.10-419,927.61-69,590.24

Finding the Fourth Proportional to 279,952.10, 419,927.61 and 69,590.24

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Solution

The fourth proportional to 279,952.10, 419,927.61 and 69,590.24 is: 104,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,952.10 : 419,927.61 = 69,590.24 : x
  2. Step 2: Convert to fraction form
    279,952.10/419,927.61 = 69,590.24/x
  3. Step 3: Cross multiply
    279,952.10x = 419,927.61 × 69,590.24
  4. Step 4: Simplify right side
    279,952.10x = 29,222,863,162.53
  5. Step 5: Solve for x
    x = 29,222,863,162.53/279,952.10
  6. Step 6: Final answer
    x = 104,385.23

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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.