Home / 384,921.46-531,180.52-212,836.42

Finding the Fourth Proportional to 384,921.46, 531,180.52 and 212,836.42

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Solution

The fourth proportional to 384,921.46, 531,180.52 and 212,836.42 is: 293,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,921.46 : 531,180.52 = 212,836.42 : x
  2. Step 2: Convert to fraction form
    384,921.46/531,180.52 = 212,836.42/x
  3. Step 3: Cross multiply
    384,921.46x = 531,180.52 × 212,836.42
  4. Step 4: Simplify right side
    384,921.46x = 113,054,560,250.54
  5. Step 5: Solve for x
    x = 113,054,560,250.54/384,921.46
  6. Step 6: Final answer
    x = 293,708.12

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1.5x scale

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.