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Finding the Fourth Proportional to 240,751.40, 361,265.38 and 188,012.84

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Solution

The fourth proportional to 240,751.40, 361,265.38 and 188,012.84 is: 282,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,751.40 : 361,265.38 = 188,012.84 : x
  2. Step 2: Convert to fraction form
    240,751.40/361,265.38 = 188,012.84/x
  3. Step 3: Cross multiply
    240,751.40x = 361,265.38 × 188,012.84
  4. Step 4: Simplify right side
    240,751.40x = 67,922,530,087.48
  5. Step 5: Solve for x
    x = 67,922,530,087.48/240,751.40
  6. Step 6: Final answer
    x = 282,127.25

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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.