Home / 289,450.12-433,650.29-283,151.56

Finding the Fourth Proportional to 289,450.12, 433,650.29 and 283,151.56

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Solution

The fourth proportional to 289,450.12, 433,650.29 and 283,151.56 is: 424,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,450.12 : 433,650.29 = 283,151.56 : x
  2. Step 2: Convert to fraction form
    289,450.12/433,650.29 = 283,151.56/x
  3. Step 3: Cross multiply
    289,450.12x = 433,650.29 × 283,151.56
  4. Step 4: Simplify right side
    289,450.12x = 122,788,752,523.94
  5. Step 5: Solve for x
    x = 122,788,752,523.94/289,450.12
  6. Step 6: Final answer
    x = 424,213.87

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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.