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Finding the Fourth Proportional to 151,833.78, 227,888.90 and 80,816.07

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Solution

The fourth proportional to 151,833.78, 227,888.90 and 80,816.07 is: 121,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,833.78 : 227,888.90 = 80,816.07 : x
  2. Step 2: Convert to fraction form
    151,833.78/227,888.90 = 80,816.07/x
  3. Step 3: Cross multiply
    151,833.78x = 227,888.90 × 80,816.07
  4. Step 4: Simplify right side
    151,833.78x = 18,417,085,294.62
  5. Step 5: Solve for x
    x = 18,417,085,294.62/151,833.78
  6. Step 6: Final answer
    x = 121,297.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.