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Finding the Fourth Proportional to 240,326.62, 360,706.60 and 128,100.31

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Solution

The fourth proportional to 240,326.62, 360,706.60 and 128,100.31 is: 192,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,326.62 : 360,706.60 = 128,100.31 : x
  2. Step 2: Convert to fraction form
    240,326.62/360,706.60 = 128,100.31/x
  3. Step 3: Cross multiply
    240,326.62x = 360,706.60 × 128,100.31
  4. Step 4: Simplify right side
    240,326.62x = 46,206,625,475.51
  5. Step 5: Solve for x
    x = 46,206,625,475.51/240,326.62
  6. Step 6: Final answer
    x = 192,265.95

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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.