Home / 266,619.80-367,944.32-145,758.69

Finding the Fourth Proportional to 266,619.80, 367,944.32 and 145,758.69

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Solution

The fourth proportional to 266,619.80, 367,944.32 and 145,758.69 is: 201,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,619.80 : 367,944.32 = 145,758.69 : x
  2. Step 2: Convert to fraction form
    266,619.80/367,944.32 = 145,758.69/x
  3. Step 3: Cross multiply
    266,619.80x = 367,944.32 × 145,758.69
  4. Step 4: Simplify right side
    266,619.80x = 53,631,082,440.54
  5. Step 5: Solve for x
    x = 53,631,082,440.54/266,619.80
  6. Step 6: Final answer
    x = 201,151.91

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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.