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Finding the Fourth Proportional to 266,169.76, 367,346.50 and 151,476.30

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Solution

The fourth proportional to 266,169.76, 367,346.50 and 151,476.30 is: 209,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,169.76 : 367,346.50 = 151,476.30 : x
  2. Step 2: Convert to fraction form
    266,169.76/367,346.50 = 151,476.30/x
  3. Step 3: Cross multiply
    266,169.76x = 367,346.50 × 151,476.30
  4. Step 4: Simplify right side
    266,169.76x = 55,644,289,718.45
  5. Step 5: Solve for x
    x = 55,644,289,718.45/266,169.76
  6. Step 6: Final answer
    x = 209,055.64

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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.