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Finding the Fourth Proportional to 179,604.52, 269,406.78 and 79,741.24

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Solution

The fourth proportional to 179,604.52, 269,406.78 and 79,741.24 is: 119,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,604.52 : 269,406.78 = 79,741.24 : x
  2. Step 2: Convert to fraction form
    179,604.52/269,406.78 = 79,741.24/x
  3. Step 3: Cross multiply
    179,604.52x = 269,406.78 × 79,741.24
  4. Step 4: Simplify right side
    179,604.52x = 21,482,830,701.61
  5. Step 5: Solve for x
    x = 21,482,830,701.61/179,604.52
  6. Step 6: Final answer
    x = 119,611.86

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1.5x scale

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.