Home / 320,574.13-442,392.71-177,343.85

Finding the Fourth Proportional to 320,574.13, 442,392.71 and 177,343.85

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Solution

The fourth proportional to 320,574.13, 442,392.71 and 177,343.85 is: 244,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,574.13 : 442,392.71 = 177,343.85 : x
  2. Step 2: Convert to fraction form
    320,574.13/442,392.71 = 177,343.85/x
  3. Step 3: Cross multiply
    320,574.13x = 442,392.71 × 177,343.85
  4. Step 4: Simplify right side
    320,574.13x = 78,455,626,622.60
  5. Step 5: Solve for x
    x = 78,455,626,622.60/320,574.13
  6. Step 6: Final answer
    x = 244,734.74

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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.