Home / 479,169.12-718,543.18-179,439.48

Finding the Fourth Proportional to 479,169.12, 718,543.18 and 179,439.48

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Solution

The fourth proportional to 479,169.12, 718,543.18 and 179,439.48 is: 269,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,169.12 : 718,543.18 = 179,439.48 : x
  2. Step 2: Convert to fraction form
    479,169.12/718,543.18 = 179,439.48/x
  3. Step 3: Cross multiply
    479,169.12x = 718,543.18 × 179,439.48
  4. Step 4: Simplify right side
    479,169.12x = 128,935,014,576.75
  5. Step 5: Solve for x
    x = 128,935,014,576.75/479,169.12
  6. Step 6: Final answer
    x = 269,080.39

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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.