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Finding the Fourth Proportional to 240,925.69, 361,391.42 and 114,578.15

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Solution

The fourth proportional to 240,925.69, 361,391.42 and 114,578.15 is: 171,868.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,925.69 : 361,391.42 = 114,578.15 : x
  2. Step 2: Convert to fraction form
    240,925.69/361,391.42 = 114,578.15/x
  3. Step 3: Cross multiply
    240,925.69x = 361,391.42 × 114,578.15
  4. Step 4: Simplify right side
    240,925.69x = 41,407,558,808.96
  5. Step 5: Solve for x
    x = 41,407,558,808.96/240,925.69
  6. Step 6: Final answer
    x = 171,868.59

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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.