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Finding the Fourth Proportional to 260,032.20, 389,392.20 and 207,544.20

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Solution

The fourth proportional to 260,032.20, 389,392.20 and 207,544.20 is: 310,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,032.20 : 389,392.20 = 207,544.20 : x
  2. Step 2: Convert to fraction form
    260,032.20/389,392.20 = 207,544.20/x
  3. Step 3: Cross multiply
    260,032.20x = 389,392.20 × 207,544.20
  4. Step 4: Simplify right side
    260,032.20x = 80,816,092,635.24
  5. Step 5: Solve for x
    x = 80,816,092,635.24/260,032.20
  6. Step 6: Final answer
    x = 310,792.64

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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.