Home / 389,418.24-537,446.45-226,039.82

Finding the Fourth Proportional to 389,418.24, 537,446.45 and 226,039.82

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Solution

The fourth proportional to 389,418.24, 537,446.45 and 226,039.82 is: 311,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,418.24 : 537,446.45 = 226,039.82 : x
  2. Step 2: Convert to fraction form
    389,418.24/537,446.45 = 226,039.82/x
  3. Step 3: Cross multiply
    389,418.24x = 537,446.45 × 226,039.82
  4. Step 4: Simplify right side
    389,418.24x = 121,484,295,000.21
  5. Step 5: Solve for x
    x = 121,484,295,000.21/389,418.24
  6. Step 6: Final answer
    x = 311,963.55

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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.