Home / 439,826.22-606,961.36-238,622.22

Finding the Fourth Proportional to 439,826.22, 606,961.36 and 238,622.22

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Solution

The fourth proportional to 439,826.22, 606,961.36 and 238,622.22 is: 329,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,826.22 : 606,961.36 = 238,622.22 : x
  2. Step 2: Convert to fraction form
    439,826.22/606,961.36 = 238,622.22/x
  3. Step 3: Cross multiply
    439,826.22x = 606,961.36 × 238,622.22
  4. Step 4: Simplify right side
    439,826.22x = 144,834,467,177.42
  5. Step 5: Solve for x
    x = 144,834,467,177.42/439,826.22
  6. Step 6: Final answer
    x = 329,299.30

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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.