Home / 260,660.34-359,803.89-158,639.22

Finding the Fourth Proportional to 260,660.34, 359,803.89 and 158,639.22

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Solution

The fourth proportional to 260,660.34, 359,803.89 and 158,639.22 is: 218,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,660.34 : 359,803.89 = 158,639.22 : x
  2. Step 2: Convert to fraction form
    260,660.34/359,803.89 = 158,639.22/x
  3. Step 3: Cross multiply
    260,660.34x = 359,803.89 × 158,639.22
  4. Step 4: Simplify right side
    260,660.34x = 57,079,008,462.57
  5. Step 5: Solve for x
    x = 57,079,008,462.57/260,660.34
  6. Step 6: Final answer
    x = 218,978.49

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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.