Home / 260,871.20-360,087.76-153,435.68

Finding the Fourth Proportional to 260,871.20, 360,087.76 and 153,435.68

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Solution

The fourth proportional to 260,871.20, 360,087.76 and 153,435.68 is: 211,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,871.20 : 360,087.76 = 153,435.68 : x
  2. Step 2: Convert to fraction form
    260,871.20/360,087.76 = 153,435.68/x
  3. Step 3: Cross multiply
    260,871.20x = 360,087.76 × 153,435.68
  4. Step 4: Simplify right side
    260,871.20x = 55,250,310,315.28
  5. Step 5: Solve for x
    x = 55,250,310,315.28/260,871.20
  6. Step 6: Final answer
    x = 211,791.53

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1.5x scale

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.