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Finding the Fourth Proportional to 251,169.84, 376,386.12 and 126,339.12

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Solution

The fourth proportional to 251,169.84, 376,386.12 and 126,339.12 is: 189,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,169.84 : 376,386.12 = 126,339.12 : x
  2. Step 2: Convert to fraction form
    251,169.84/376,386.12 = 126,339.12/x
  3. Step 3: Cross multiply
    251,169.84x = 376,386.12 × 126,339.12
  4. Step 4: Simplify right side
    251,169.84x = 47,552,291,181.01
  5. Step 5: Solve for x
    x = 47,552,291,181.01/251,169.84
  6. Step 6: Final answer
    x = 189,323.25

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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.