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Finding the Fourth Proportional to 657,273.65, 985,873.55 and 230,829.12

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Solution

The fourth proportional to 657,273.65, 985,873.55 and 230,829.12 is: 346,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,273.65 : 985,873.55 = 230,829.12 : x
  2. Step 2: Convert to fraction form
    657,273.65/985,873.55 = 230,829.12/x
  3. Step 3: Cross multiply
    657,273.65x = 985,873.55 × 230,829.12
  4. Step 4: Simplify right side
    657,273.65x = 227,568,322,823.63
  5. Step 5: Solve for x
    x = 227,568,322,823.63/657,273.65
  6. Step 6: Final answer
    x = 346,230.71

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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.