Home / 279,329.12-418,739.52-101,795.66

Finding the Fourth Proportional to 279,329.12, 418,739.52 and 101,795.66

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Solution

The fourth proportional to 279,329.12, 418,739.52 and 101,795.66 is: 152,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,329.12 : 418,739.52 = 101,795.66 : x
  2. Step 2: Convert to fraction form
    279,329.12/418,739.52 = 101,795.66/x
  3. Step 3: Cross multiply
    279,329.12x = 418,739.52 × 101,795.66
  4. Step 4: Simplify right side
    279,329.12x = 42,625,865,806.48
  5. Step 5: Solve for x
    x = 42,625,865,806.48/279,329.12
  6. Step 6: Final answer
    x = 152,600.87

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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.