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Finding the Fourth Proportional to 251,045.91, 376,568.80 and 73,552.86

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Solution

The fourth proportional to 251,045.91, 376,568.80 and 73,552.86 is: 110,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,045.91 : 376,568.80 = 73,552.86 : x
  2. Step 2: Convert to fraction form
    251,045.91/376,568.80 = 73,552.86/x
  3. Step 3: Cross multiply
    251,045.91x = 376,568.80 × 73,552.86
  4. Step 4: Simplify right side
    251,045.91x = 27,697,712,042.89
  5. Step 5: Solve for x
    x = 27,697,712,042.89/251,045.91
  6. Step 6: Final answer
    x = 110,329.27

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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.