Home / 386,469.20-579,444.60-175,998.80

Finding the Fourth Proportional to 386,469.20, 579,444.60 and 175,998.80

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Solution

The fourth proportional to 386,469.20, 579,444.60 and 175,998.80 is: 263,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,469.20 : 579,444.60 = 175,998.80 : x
  2. Step 2: Convert to fraction form
    386,469.20/579,444.60 = 175,998.80/x
  3. Step 3: Cross multiply
    386,469.20x = 579,444.60 × 175,998.80
  4. Step 4: Simplify right side
    386,469.20x = 101,981,554,266.48
  5. Step 5: Solve for x
    x = 101,981,554,266.48/386,469.20
  6. Step 6: Final answer
    x = 263,880.16

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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.