Home / 389,387.62-537,359.99-226,082.41

Finding the Fourth Proportional to 389,387.62, 537,359.99 and 226,082.41

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Solution

The fourth proportional to 389,387.62, 537,359.99 and 226,082.41 is: 311,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,387.62 : 537,359.99 = 226,082.41 : x
  2. Step 2: Convert to fraction form
    389,387.62/537,359.99 = 226,082.41/x
  3. Step 3: Cross multiply
    389,387.62x = 537,359.99 × 226,082.41
  4. Step 4: Simplify right side
    389,387.62x = 121,487,641,576.78
  5. Step 5: Solve for x
    x = 121,487,641,576.78/389,387.62
  6. Step 6: Final answer
    x = 311,996.67

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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.