Home / 286,080.12-394,777.26-158,754.60

Finding the Fourth Proportional to 286,080.12, 394,777.26 and 158,754.60

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Solution

The fourth proportional to 286,080.12, 394,777.26 and 158,754.60 is: 219,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,080.12 : 394,777.26 = 158,754.60 : x
  2. Step 2: Convert to fraction form
    286,080.12/394,777.26 = 158,754.60/x
  3. Step 3: Cross multiply
    286,080.12x = 394,777.26 × 158,754.60
  4. Step 4: Simplify right side
    286,080.12x = 62,672,706,000.40
  5. Step 5: Solve for x
    x = 62,672,706,000.40/286,080.12
  6. Step 6: Final answer
    x = 219,073.96

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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.