Home / 439,678.20-659,179.36-223,359.08

Finding the Fourth Proportional to 439,678.20, 659,179.36 and 223,359.08

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Solution

The fourth proportional to 439,678.20, 659,179.36 and 223,359.08 is: 334,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,678.20 : 659,179.36 = 223,359.08 : x
  2. Step 2: Convert to fraction form
    439,678.20/659,179.36 = 223,359.08/x
  3. Step 3: Cross multiply
    439,678.20x = 659,179.36 × 223,359.08
  4. Step 4: Simplify right side
    439,678.20x = 147,233,697,052.54
  5. Step 5: Solve for x
    x = 147,233,697,052.54/439,678.20
  6. Step 6: Final answer
    x = 334,866.95

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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.