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Finding the Fourth Proportional to 240,117.80, 360,224.94 and 71,640.68

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Solution

The fourth proportional to 240,117.80, 360,224.94 and 71,640.68 is: 107,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,117.80 : 360,224.94 = 71,640.68 : x
  2. Step 2: Convert to fraction form
    240,117.80/360,224.94 = 71,640.68/x
  3. Step 3: Cross multiply
    240,117.80x = 360,224.94 × 71,640.68
  4. Step 4: Simplify right side
    240,117.80x = 25,806,759,654.56
  5. Step 5: Solve for x
    x = 25,806,759,654.56/240,117.80
  6. Step 6: Final answer
    x = 107,475.41

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1.5x scale

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.