Home / 266,340.96-367,561.44-153,163.71

Finding the Fourth Proportional to 266,340.96, 367,561.44 and 153,163.71

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Solution

The fourth proportional to 266,340.96, 367,561.44 and 153,163.71 is: 211,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,340.96 : 367,561.44 = 153,163.71 : x
  2. Step 2: Convert to fraction form
    266,340.96/367,561.44 = 153,163.71/x
  3. Step 3: Cross multiply
    266,340.96x = 367,561.44 × 153,163.71
  4. Step 4: Simplify right side
    266,340.96x = 56,297,073,803.34
  5. Step 5: Solve for x
    x = 56,297,073,803.34/266,340.96
  6. Step 6: Final answer
    x = 211,372.20

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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.