Home / 284,764.11-392,969.66-203,242.47

Finding the Fourth Proportional to 284,764.11, 392,969.66 and 203,242.47

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Solution

The fourth proportional to 284,764.11, 392,969.66 and 203,242.47 is: 280,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,764.11 : 392,969.66 = 203,242.47 : x
  2. Step 2: Convert to fraction form
    284,764.11/392,969.66 = 203,242.47/x
  3. Step 3: Cross multiply
    284,764.11x = 392,969.66 × 203,242.47
  4. Step 4: Simplify right side
    284,764.11x = 79,868,123,317.25
  5. Step 5: Solve for x
    x = 79,868,123,317.25/284,764.11
  6. Step 6: Final answer
    x = 280,471.17

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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.