Home / 439,825.22-606,959.98-238,621.22

Finding the Fourth Proportional to 439,825.22, 606,959.98 and 238,621.22

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Solution

The fourth proportional to 439,825.22, 606,959.98 and 238,621.22 is: 329,297.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,825.22 : 606,959.98 = 238,621.22 : x
  2. Step 2: Convert to fraction form
    439,825.22/606,959.98 = 238,621.22/x
  3. Step 3: Cross multiply
    439,825.22x = 606,959.98 × 238,621.22
  4. Step 4: Simplify right side
    439,825.22x = 144,833,530,918.78
  5. Step 5: Solve for x
    x = 144,833,530,918.78/439,825.22
  6. Step 6: Final answer
    x = 329,297.92

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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.