Home / 320,865.54-442,799.68-175,668.90

Finding the Fourth Proportional to 320,865.54, 442,799.68 and 175,668.90

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Solution

The fourth proportional to 320,865.54, 442,799.68 and 175,668.90 is: 242,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,865.54 : 442,799.68 = 175,668.90 : x
  2. Step 2: Convert to fraction form
    320,865.54/442,799.68 = 175,668.90/x
  3. Step 3: Cross multiply
    320,865.54x = 442,799.68 × 175,668.90
  4. Step 4: Simplify right side
    320,865.54x = 77,786,130,491.95
  5. Step 5: Solve for x
    x = 77,786,130,491.95/320,865.54
  6. Step 6: Final answer
    x = 242,425.94

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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.