Home / 259,743.20-389,614.80-240,497.60

Finding the Fourth Proportional to 259,743.20, 389,614.80 and 240,497.60

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Solution

The fourth proportional to 259,743.20, 389,614.80 and 240,497.60 is: 360,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,743.20 : 389,614.80 = 240,497.60 : x
  2. Step 2: Convert to fraction form
    259,743.20/389,614.80 = 240,497.60/x
  3. Step 3: Cross multiply
    259,743.20x = 389,614.80 × 240,497.60
  4. Step 4: Simplify right side
    259,743.20x = 93,701,424,324.48
  5. Step 5: Solve for x
    x = 93,701,424,324.48/259,743.20
  6. Step 6: Final answer
    x = 360,746.40

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Similar ratio
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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.