Home / 289,149.22-433,230.28-204,769.20

Finding the Fourth Proportional to 289,149.22, 433,230.28 and 204,769.20

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Solution

The fourth proportional to 289,149.22, 433,230.28 and 204,769.20 is: 306,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,149.22 : 433,230.28 = 204,769.20 : x
  2. Step 2: Convert to fraction form
    289,149.22/433,230.28 = 204,769.20/x
  3. Step 3: Cross multiply
    289,149.22x = 433,230.28 × 204,769.20
  4. Step 4: Simplify right side
    289,149.22x = 88,712,217,851.38
  5. Step 5: Solve for x
    x = 88,712,217,851.38/289,149.22
  6. Step 6: Final answer
    x = 306,804.28

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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.