Home / 389,387.87-537,360.33-226,082.66

Finding the Fourth Proportional to 389,387.87, 537,360.33 and 226,082.66

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Solution

The fourth proportional to 389,387.87, 537,360.33 and 226,082.66 is: 311,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,387.87 : 537,360.33 = 226,082.66 : x
  2. Step 2: Convert to fraction form
    389,387.87/537,360.33 = 226,082.66/x
  3. Step 3: Cross multiply
    389,387.87x = 537,360.33 × 226,082.66
  4. Step 4: Simplify right side
    389,387.87x = 121,487,852,784.88
  5. Step 5: Solve for x
    x = 121,487,852,784.88/389,387.87
  6. Step 6: Final answer
    x = 311,997.01

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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.