Home / 217,642.28-300,103.78-141,060.56

Finding the Fourth Proportional to 217,642.28, 300,103.78 and 141,060.56

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Solution

The fourth proportional to 217,642.28, 300,103.78 and 141,060.56 is: 194,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,642.28 : 300,103.78 = 141,060.56 : x
  2. Step 2: Convert to fraction form
    217,642.28/300,103.78 = 141,060.56/x
  3. Step 3: Cross multiply
    217,642.28x = 300,103.78 × 141,060.56
  4. Step 4: Simplify right side
    217,642.28x = 42,332,807,264.92
  5. Step 5: Solve for x
    x = 42,332,807,264.92/217,642.28
  6. Step 6: Final answer
    x = 194,506.36

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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.