Home / 320,924.16-442,878.84-177,686.73

Finding the Fourth Proportional to 320,924.16, 442,878.84 and 177,686.73

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Solution

The fourth proportional to 320,924.16, 442,878.84 and 177,686.73 is: 245,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,924.16 : 442,878.84 = 177,686.73 : x
  2. Step 2: Convert to fraction form
    320,924.16/442,878.84 = 177,686.73/x
  3. Step 3: Cross multiply
    320,924.16x = 442,878.84 × 177,686.73
  4. Step 4: Simplify right side
    320,924.16x = 78,693,692,865.79
  5. Step 5: Solve for x
    x = 78,693,692,865.79/320,924.16
  6. Step 6: Final answer
    x = 245,209.62

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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.