Home / 294,713.06-442,069.01-81,480.43

Finding the Fourth Proportional to 294,713.06, 442,069.01 and 81,480.43

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Solution

The fourth proportional to 294,713.06, 442,069.01 and 81,480.43 is: 122,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,713.06 : 442,069.01 = 81,480.43 : x
  2. Step 2: Convert to fraction form
    294,713.06/442,069.01 = 81,480.43/x
  3. Step 3: Cross multiply
    294,713.06x = 442,069.01 × 81,480.43
  4. Step 4: Simplify right side
    294,713.06x = 36,019,971,511.90
  5. Step 5: Solve for x
    x = 36,019,971,511.90/294,713.06
  6. Step 6: Final answer
    x = 122,220.48

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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.