Home / 260,543.28-359,556.12-145,821.03

Finding the Fourth Proportional to 260,543.28, 359,556.12 and 145,821.03

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Solution

The fourth proportional to 260,543.28, 359,556.12 and 145,821.03 is: 201,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,543.28 : 359,556.12 = 145,821.03 : x
  2. Step 2: Convert to fraction form
    260,543.28/359,556.12 = 145,821.03/x
  3. Step 3: Cross multiply
    260,543.28x = 359,556.12 × 145,821.03
  4. Step 4: Simplify right side
    260,543.28x = 52,430,843,761.20
  5. Step 5: Solve for x
    x = 52,430,843,761.20/260,543.28
  6. Step 6: Final answer
    x = 201,236.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.