Home / 266,780.16-367,796.34-171,120.78

Finding the Fourth Proportional to 266,780.16, 367,796.34 and 171,120.78

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Solution

The fourth proportional to 266,780.16, 367,796.34 and 171,120.78 is: 235,915.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,780.16 : 367,796.34 = 171,120.78 : x
  2. Step 2: Convert to fraction form
    266,780.16/367,796.34 = 171,120.78/x
  3. Step 3: Cross multiply
    266,780.16x = 367,796.34 × 171,120.78
  4. Step 4: Simplify right side
    266,780.16x = 62,937,596,581.95
  5. Step 5: Solve for x
    x = 62,937,596,581.95/266,780.16
  6. Step 6: Final answer
    x = 235,915.58

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1.5x scale

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.