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Finding the Fourth Proportional to 195,588.61, 293,428.68 and 60,645.58

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Solution

The fourth proportional to 195,588.61, 293,428.68 and 60,645.58 is: 90,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,588.61 : 293,428.68 = 60,645.58 : x
  2. Step 2: Convert to fraction form
    195,588.61/293,428.68 = 60,645.58/x
  3. Step 3: Cross multiply
    195,588.61x = 293,428.68 × 60,645.58
  4. Step 4: Simplify right side
    195,588.61x = 17,795,150,716.86
  5. Step 5: Solve for x
    x = 17,795,150,716.86/195,588.61
  6. Step 6: Final answer
    x = 90,982.55

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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.