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Finding the Fourth Proportional to 259,241.84, 388,895.20 and 101,449.92

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Solution

The fourth proportional to 259,241.84, 388,895.20 and 101,449.92 is: 152,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,241.84 : 388,895.20 = 101,449.92 : x
  2. Step 2: Convert to fraction form
    259,241.84/388,895.20 = 101,449.92/x
  3. Step 3: Cross multiply
    259,241.84x = 388,895.20 × 101,449.92
  4. Step 4: Simplify right side
    259,241.84x = 39,453,386,928.38
  5. Step 5: Solve for x
    x = 39,453,386,928.38/259,241.84
  6. Step 6: Final answer
    x = 152,187.57

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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.