Home / 352,029.70-528,044.55-115,315.30

Finding the Fourth Proportional to 352,029.70, 528,044.55 and 115,315.30

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Solution

The fourth proportional to 352,029.70, 528,044.55 and 115,315.30 is: 172,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,029.70 : 528,044.55 = 115,315.30 : x
  2. Step 2: Convert to fraction form
    352,029.70/528,044.55 = 115,315.30/x
  3. Step 3: Cross multiply
    352,029.70x = 528,044.55 × 115,315.30
  4. Step 4: Simplify right side
    352,029.70x = 60,891,615,696.62
  5. Step 5: Solve for x
    x = 60,891,615,696.62/352,029.70
  6. Step 6: Final answer
    x = 172,972.95

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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.