Home / 232,471.45-320,728.09-151,945.47

Finding the Fourth Proportional to 232,471.45, 320,728.09 and 151,945.47

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Solution

The fourth proportional to 232,471.45, 320,728.09 and 151,945.47 is: 209,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,471.45 : 320,728.09 = 151,945.47 : x
  2. Step 2: Convert to fraction form
    232,471.45/320,728.09 = 151,945.47/x
  3. Step 3: Cross multiply
    232,471.45x = 320,728.09 × 151,945.47
  4. Step 4: Simplify right side
    232,471.45x = 48,733,178,013.88
  5. Step 5: Solve for x
    x = 48,733,178,013.88/232,471.45
  6. Step 6: Final answer
    x = 209,630.81

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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.