Home / 260,223.18-389,265.54-207,735.18

Finding the Fourth Proportional to 260,223.18, 389,265.54 and 207,735.18

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Solution

The fourth proportional to 260,223.18, 389,265.54 and 207,735.18 is: 310,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,223.18 : 389,265.54 = 207,735.18 : x
  2. Step 2: Convert to fraction form
    260,223.18/389,265.54 = 207,735.18/x
  3. Step 3: Cross multiply
    260,223.18x = 389,265.54 × 207,735.18
  4. Step 4: Simplify right side
    260,223.18x = 80,864,147,019.70
  5. Step 5: Solve for x
    x = 80,864,147,019.70/260,223.18
  6. Step 6: Final answer
    x = 310,749.21

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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.