Home / 339,948.72-469,138.07-186,990.85

Finding the Fourth Proportional to 339,948.72, 469,138.07 and 186,990.85

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Solution

The fourth proportional to 339,948.72, 469,138.07 and 186,990.85 is: 258,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,948.72 : 469,138.07 = 186,990.85 : x
  2. Step 2: Convert to fraction form
    339,948.72/469,138.07 = 186,990.85/x
  3. Step 3: Cross multiply
    339,948.72x = 469,138.07 × 186,990.85
  4. Step 4: Simplify right side
    339,948.72x = 87,724,524,598.45
  5. Step 5: Solve for x
    x = 87,724,524,598.45/339,948.72
  6. Step 6: Final answer
    x = 258,052.23

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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.