Home / 232,238.75-320,557.50-151,678.78

Finding the Fourth Proportional to 232,238.75, 320,557.50 and 151,678.78

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Solution

The fourth proportional to 232,238.75, 320,557.50 and 151,678.78 is: 209,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,238.75 : 320,557.50 = 151,678.78 : x
  2. Step 2: Convert to fraction form
    232,238.75/320,557.50 = 151,678.78/x
  3. Step 3: Cross multiply
    232,238.75x = 320,557.50 × 151,678.78
  4. Step 4: Simplify right side
    232,238.75x = 48,621,769,718.46
  5. Step 5: Solve for x
    x = 48,621,769,718.46/232,238.75
  6. Step 6: Final answer
    x = 209,361.15

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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.