Home / 320,530.48-442,293.24-177,271

Finding the Fourth Proportional to 320,530.48, 442,293.24 and 177,271

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Solution

The fourth proportional to 320,530.48, 442,293.24 and 177,271 is: 244,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530.48 : 442,293.24 = 177,271 : x
  2. Step 2: Convert to fraction form
    320,530.48/442,293.24 = 177,271/x
  3. Step 3: Cross multiply
    320,530.48x = 442,293.24 × 177,271
  4. Step 4: Simplify right side
    320,530.48x = 78,405,764,948.04
  5. Step 5: Solve for x
    x = 78,405,764,948.04/320,530.48
  6. Step 6: Final answer
    x = 244,612.51

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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.