Home / 320,348.32-442,061.04-177,099.76

Finding the Fourth Proportional to 320,348.32, 442,061.04 and 177,099.76

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Solution

The fourth proportional to 320,348.32, 442,061.04 and 177,099.76 is: 244,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,348.32 : 442,061.04 = 177,099.76 : x
  2. Step 2: Convert to fraction form
    320,348.32/442,061.04 = 177,099.76/x
  3. Step 3: Cross multiply
    320,348.32x = 442,061.04 × 177,099.76
  4. Step 4: Simplify right side
    320,348.32x = 78,288,904,089.35
  5. Step 5: Solve for x
    x = 78,288,904,089.35/320,348.32
  6. Step 6: Final answer
    x = 244,386.81

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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.