Home / 443,788.08-612,356.76-252,805.20

Finding the Fourth Proportional to 443,788.08, 612,356.76 and 252,805.20

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Solution

The fourth proportional to 443,788.08, 612,356.76 and 252,805.20 is: 348,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,788.08 : 612,356.76 = 252,805.20 : x
  2. Step 2: Convert to fraction form
    443,788.08/612,356.76 = 252,805.20/x
  3. Step 3: Cross multiply
    443,788.08x = 612,356.76 × 252,805.20
  4. Step 4: Simplify right side
    443,788.08x = 154,806,973,183.15
  5. Step 5: Solve for x
    x = 154,806,973,183.15/443,788.08
  6. Step 6: Final answer
    x = 348,830.85

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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.