Home / 320,423.04-442,188.72-177,180.48

Finding the Fourth Proportional to 320,423.04, 442,188.72 and 177,180.48

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Solution

The fourth proportional to 320,423.04, 442,188.72 and 177,180.48 is: 244,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,423.04 : 442,188.72 = 177,180.48 : x
  2. Step 2: Convert to fraction form
    320,423.04/442,188.72 = 177,180.48/x
  3. Step 3: Cross multiply
    320,423.04x = 442,188.72 × 177,180.48
  4. Step 4: Simplify right side
    320,423.04x = 78,347,209,660.19
  5. Step 5: Solve for x
    x = 78,347,209,660.19/320,423.04
  6. Step 6: Final answer
    x = 244,511.79

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1.5x scale

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.