Home / 320,924.70-442,882.80-175,736.61

Finding the Fourth Proportional to 320,924.70, 442,882.80 and 175,736.61

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Solution

The fourth proportional to 320,924.70, 442,882.80 and 175,736.61 is: 242,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,924.70 : 442,882.80 = 175,736.61 : x
  2. Step 2: Convert to fraction form
    320,924.70/442,882.80 = 175,736.61/x
  3. Step 3: Cross multiply
    320,924.70x = 442,882.80 × 175,736.61
  4. Step 4: Simplify right side
    320,924.70x = 77,830,721,899.31
  5. Step 5: Solve for x
    x = 77,830,721,899.31/320,924.70
  6. Step 6: Final answer
    x = 242,520.20

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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.