Home / 320,967.66-442,929.95-177,724.62

Finding the Fourth Proportional to 320,967.66, 442,929.95 and 177,724.62

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Solution

The fourth proportional to 320,967.66, 442,929.95 and 177,724.62 is: 245,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,967.66 : 442,929.95 = 177,724.62 : x
  2. Step 2: Convert to fraction form
    320,967.66/442,929.95 = 177,724.62/x
  3. Step 3: Cross multiply
    320,967.66x = 442,929.95 × 177,724.62
  4. Step 4: Simplify right side
    320,967.66x = 78,719,556,161.75
  5. Step 5: Solve for x
    x = 78,719,556,161.75/320,967.66
  6. Step 6: Final answer
    x = 245,256.97

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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.