Home / 266,427.28-367,665.36-145,565.98

Finding the Fourth Proportional to 266,427.28, 367,665.36 and 145,565.98

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Solution

The fourth proportional to 266,427.28, 367,665.36 and 145,565.98 is: 200,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,427.28 : 367,665.36 = 145,565.98 : x
  2. Step 2: Convert to fraction form
    266,427.28/367,665.36 = 145,565.98/x
  3. Step 3: Cross multiply
    266,427.28x = 367,665.36 × 145,565.98
  4. Step 4: Simplify right side
    266,427.28x = 53,519,568,440.45
  5. Step 5: Solve for x
    x = 53,519,568,440.45/266,427.28
  6. Step 6: Final answer
    x = 200,878.71

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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.