Home / 230,966.73-318,954.20-218,387.39

Finding the Fourth Proportional to 230,966.73, 318,954.20 and 218,387.39

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Solution

The fourth proportional to 230,966.73, 318,954.20 and 218,387.39 is: 301,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,966.73 : 318,954.20 = 218,387.39 : x
  2. Step 2: Convert to fraction form
    230,966.73/318,954.20 = 218,387.39/x
  3. Step 3: Cross multiply
    230,966.73x = 318,954.20 × 218,387.39
  4. Step 4: Simplify right side
    230,966.73x = 69,655,572,580.83
  5. Step 5: Solve for x
    x = 69,655,572,580.83/230,966.73
  6. Step 6: Final answer
    x = 301,582.71

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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.