Home / 218,790.44-328,314.82-92,422.50

Finding the Fourth Proportional to 218,790.44, 328,314.82 and 92,422.50

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Solution

The fourth proportional to 218,790.44, 328,314.82 and 92,422.50 is: 138,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,790.44 : 328,314.82 = 92,422.50 : x
  2. Step 2: Convert to fraction form
    218,790.44/328,314.82 = 92,422.50/x
  3. Step 3: Cross multiply
    218,790.44x = 328,314.82 × 92,422.50
  4. Step 4: Simplify right side
    218,790.44x = 30,343,676,451.45
  5. Step 5: Solve for x
    x = 30,343,676,451.45/218,790.44
  6. Step 6: Final answer
    x = 138,688.31

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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.