Home / 225,680.81-339,050.17-212,913.49

Finding the Fourth Proportional to 225,680.81, 339,050.17 and 212,913.49

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Solution

The fourth proportional to 225,680.81, 339,050.17 and 212,913.49 is: 319,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,680.81 : 339,050.17 = 212,913.49 : x
  2. Step 2: Convert to fraction form
    225,680.81/339,050.17 = 212,913.49/x
  3. Step 3: Cross multiply
    225,680.81x = 339,050.17 × 212,913.49
  4. Step 4: Simplify right side
    225,680.81x = 72,188,354,979.79
  5. Step 5: Solve for x
    x = 72,188,354,979.79/225,680.81
  6. Step 6: Final answer
    x = 319,869.27

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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.