Home / 377,738.28-566,475.38-111,428.12

Finding the Fourth Proportional to 377,738.28, 566,475.38 and 111,428.12

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Solution

The fourth proportional to 377,738.28, 566,475.38 and 111,428.12 is: 167,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,738.28 : 566,475.38 = 111,428.12 : x
  2. Step 2: Convert to fraction form
    377,738.28/566,475.38 = 111,428.12/x
  3. Step 3: Cross multiply
    377,738.28x = 566,475.38 × 111,428.12
  4. Step 4: Simplify right side
    377,738.28x = 63,121,286,619.69
  5. Step 5: Solve for x
    x = 63,121,286,619.69/377,738.28
  6. Step 6: Final answer
    x = 167,103.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.