Home / 320,966.22-442,931.79-177,725.91

Finding the Fourth Proportional to 320,966.22, 442,931.79 and 177,725.91

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Solution

The fourth proportional to 320,966.22, 442,931.79 and 177,725.91 is: 245,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,966.22 : 442,931.79 = 177,725.91 : x
  2. Step 2: Convert to fraction form
    320,966.22/442,931.79 = 177,725.91/x
  3. Step 3: Cross multiply
    320,966.22x = 442,931.79 × 177,725.91
  4. Step 4: Simplify right side
    320,966.22x = 78,720,455,445.68
  5. Step 5: Solve for x
    x = 78,720,455,445.68/320,966.22
  6. Step 6: Final answer
    x = 245,260.87

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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.