Home / 292,240.27-438,377.46-81,894.61

Finding the Fourth Proportional to 292,240.27, 438,377.46 and 81,894.61

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Solution

The fourth proportional to 292,240.27, 438,377.46 and 81,894.61 is: 122,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,240.27 : 438,377.46 = 81,894.61 : x
  2. Step 2: Convert to fraction form
    292,240.27/438,377.46 = 81,894.61/x
  3. Step 3: Cross multiply
    292,240.27x = 438,377.46 × 81,894.61
  4. Step 4: Simplify right side
    292,240.27x = 35,900,751,119.49
  5. Step 5: Solve for x
    x = 35,900,751,119.49/292,240.27
  6. Step 6: Final answer
    x = 122,846.69

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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.