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Finding the Fourth Proportional to 251,512.58, 377,369.68 and 91,599.65

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Solution

The fourth proportional to 251,512.58, 377,369.68 and 91,599.65 is: 137,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,512.58 : 377,369.68 = 91,599.65 : x
  2. Step 2: Convert to fraction form
    251,512.58/377,369.68 = 91,599.65/x
  3. Step 3: Cross multiply
    251,512.58x = 377,369.68 × 91,599.65
  4. Step 4: Simplify right side
    251,512.58x = 34,566,930,608.61
  5. Step 5: Solve for x
    x = 34,566,930,608.61/251,512.58
  6. Step 6: Final answer
    x = 137,436.19

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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.