Home / 260,186.48-389,999.76-170,195.24

Finding the Fourth Proportional to 260,186.48, 389,999.76 and 170,195.24

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Solution

The fourth proportional to 260,186.48, 389,999.76 and 170,195.24 is: 255,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,186.48 : 389,999.76 = 170,195.24 : x
  2. Step 2: Convert to fraction form
    260,186.48/389,999.76 = 170,195.24/x
  3. Step 3: Cross multiply
    260,186.48x = 389,999.76 × 170,195.24
  4. Step 4: Simplify right side
    260,186.48x = 66,376,102,753.14
  5. Step 5: Solve for x
    x = 66,376,102,753.14/260,186.48
  6. Step 6: Final answer
    x = 255,109.73

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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.