Home / 320,928.48-442,882.08-177,694.56

Finding the Fourth Proportional to 320,928.48, 442,882.08 and 177,694.56

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Solution

The fourth proportional to 320,928.48, 442,882.08 and 177,694.56 is: 245,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,928.48 : 442,882.08 = 177,694.56 : x
  2. Step 2: Convert to fraction form
    320,928.48/442,882.08 = 177,694.56/x
  3. Step 3: Cross multiply
    320,928.48x = 442,882.08 × 177,694.56
  4. Step 4: Simplify right side
    320,928.48x = 78,697,736,337.48
  5. Step 5: Solve for x
    x = 78,697,736,337.48/320,928.48
  6. Step 6: Final answer
    x = 245,218.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.