Home / 439,579.56-659,196.80-155,209.44

Finding the Fourth Proportional to 439,579.56, 659,196.80 and 155,209.44

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Solution

The fourth proportional to 439,579.56, 659,196.80 and 155,209.44 is: 232,753.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,579.56 : 659,196.80 = 155,209.44 : x
  2. Step 2: Convert to fraction form
    439,579.56/659,196.80 = 155,209.44/x
  3. Step 3: Cross multiply
    439,579.56x = 659,196.80 × 155,209.44
  4. Step 4: Simplify right side
    439,579.56x = 102,313,566,177.79
  5. Step 5: Solve for x
    x = 102,313,566,177.79/439,579.56
  6. Step 6: Final answer
    x = 232,753.24

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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.