Home / 320,319.12-442,006.56-177,056.04

Finding the Fourth Proportional to 320,319.12, 442,006.56 and 177,056.04

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Solution

The fourth proportional to 320,319.12, 442,006.56 and 177,056.04 is: 244,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,319.12 : 442,006.56 = 177,056.04 : x
  2. Step 2: Convert to fraction form
    320,319.12/442,006.56 = 177,056.04/x
  3. Step 3: Cross multiply
    320,319.12x = 442,006.56 × 177,056.04
  4. Step 4: Simplify right side
    320,319.12x = 78,259,931,167.62
  5. Step 5: Solve for x
    x = 78,259,931,167.62/320,319.12
  6. Step 6: Final answer
    x = 244,318.64

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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.