Home / 266,317.20-367,519.75-145,456.29

Finding the Fourth Proportional to 266,317.20, 367,519.75 and 145,456.29

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Solution

The fourth proportional to 266,317.20, 367,519.75 and 145,456.29 is: 200,730.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,317.20 : 367,519.75 = 145,456.29 : x
  2. Step 2: Convert to fraction form
    266,317.20/367,519.75 = 145,456.29/x
  3. Step 3: Cross multiply
    266,317.20x = 367,519.75 × 145,456.29
  4. Step 4: Simplify right side
    266,317.20x = 53,458,058,973.09
  5. Step 5: Solve for x
    x = 53,458,058,973.09/266,317.20
  6. Step 6: Final answer
    x = 200,730.78

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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.