Home / 393,231.75-589,849.79-97,743.75

Finding the Fourth Proportional to 393,231.75, 589,849.79 and 97,743.75

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Solution

The fourth proportional to 393,231.75, 589,849.79 and 97,743.75 is: 146,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,231.75 : 589,849.79 = 97,743.75 : x
  2. Step 2: Convert to fraction form
    393,231.75/589,849.79 = 97,743.75/x
  3. Step 3: Cross multiply
    393,231.75x = 589,849.79 × 97,743.75
  4. Step 4: Simplify right side
    393,231.75x = 57,654,129,922.59
  5. Step 5: Solve for x
    x = 57,654,129,922.59/393,231.75
  6. Step 6: Final answer
    x = 146,616.16

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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.