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Finding the Fourth Proportional to 251,920, 377,499.12 and 151,969.12

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Solution

The fourth proportional to 251,920, 377,499.12 and 151,969.12 is: 227,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,920 : 377,499.12 = 151,969.12 : x
  2. Step 2: Convert to fraction form
    251,920/377,499.12 = 151,969.12/x
  3. Step 3: Cross multiply
    251,920x = 377,499.12 × 151,969.12
  4. Step 4: Simplify right side
    251,920x = 57,368,209,067.17
  5. Step 5: Solve for x
    x = 57,368,209,067.17/251,920
  6. Step 6: Final answer
    x = 227,723.92

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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.