Home / 289,511.27-433,786.70-204,851.79

Finding the Fourth Proportional to 289,511.27, 433,786.70 and 204,851.79

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Solution

The fourth proportional to 289,511.27, 433,786.70 and 204,851.79 is: 306,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,511.27 : 433,786.70 = 204,851.79 : x
  2. Step 2: Convert to fraction form
    289,511.27/433,786.70 = 204,851.79/x
  3. Step 3: Cross multiply
    289,511.27x = 433,786.70 × 204,851.79
  4. Step 4: Simplify right side
    289,511.27x = 88,861,980,948.93
  5. Step 5: Solve for x
    x = 88,861,980,948.93/289,511.27
  6. Step 6: Final answer
    x = 306,937.90

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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.