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Finding the Fourth Proportional to 267,509.09, 401,146.98 and 101,180.45

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Solution

The fourth proportional to 267,509.09, 401,146.98 and 101,180.45 is: 151,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,509.09 : 401,146.98 = 101,180.45 : x
  2. Step 2: Convert to fraction form
    267,509.09/401,146.98 = 101,180.45/x
  3. Step 3: Cross multiply
    267,509.09x = 401,146.98 × 101,180.45
  4. Step 4: Simplify right side
    267,509.09x = 40,588,231,952.54
  5. Step 5: Solve for x
    x = 40,588,231,952.54/267,509.09
  6. Step 6: Final answer
    x = 151,726.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.