Home / 213,699.18-319,732.66-186,846.87

Finding the Fourth Proportional to 213,699.18, 319,732.66 and 186,846.87

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Solution

The fourth proportional to 213,699.18, 319,732.66 and 186,846.87 is: 279,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,699.18 : 319,732.66 = 186,846.87 : x
  2. Step 2: Convert to fraction form
    213,699.18/319,732.66 = 186,846.87/x
  3. Step 3: Cross multiply
    213,699.18x = 319,732.66 × 186,846.87
  4. Step 4: Simplify right side
    213,699.18x = 59,741,046,757.77
  5. Step 5: Solve for x
    x = 59,741,046,757.77/213,699.18
  6. Step 6: Final answer
    x = 279,556.74

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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.