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Finding the Fourth Proportional to 378,750.84, 568,029.06 and 112,449.57

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Solution

The fourth proportional to 378,750.84, 568,029.06 and 112,449.57 is: 168,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,750.84 : 568,029.06 = 112,449.57 : x
  2. Step 2: Convert to fraction form
    378,750.84/568,029.06 = 112,449.57/x
  3. Step 3: Cross multiply
    378,750.84x = 568,029.06 × 112,449.57
  4. Step 4: Simplify right side
    378,750.84x = 63,874,623,544.50
  5. Step 5: Solve for x
    x = 63,874,623,544.50/378,750.84
  6. Step 6: Final answer
    x = 168,645.50

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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.