Home / 352,281.45-528,517.52-251,207.20

Finding the Fourth Proportional to 352,281.45, 528,517.52 and 251,207.20

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Solution

The fourth proportional to 352,281.45, 528,517.52 and 251,207.20 is: 376,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,281.45 : 528,517.52 = 251,207.20 : x
  2. Step 2: Convert to fraction form
    352,281.45/528,517.52 = 251,207.20/x
  3. Step 3: Cross multiply
    352,281.45x = 528,517.52 × 251,207.20
  4. Step 4: Simplify right side
    352,281.45x = 132,767,405,563.58
  5. Step 5: Solve for x
    x = 132,767,405,563.58/352,281.45
  6. Step 6: Final answer
    x = 376,878.78

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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.