Home / 384,850.08-531,093.88-215,084.20

Finding the Fourth Proportional to 384,850.08, 531,093.88 and 215,084.20

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Solution

The fourth proportional to 384,850.08, 531,093.88 and 215,084.20 is: 296,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,850.08 : 531,093.88 = 215,084.20 : x
  2. Step 2: Convert to fraction form
    384,850.08/531,093.88 = 215,084.20/x
  3. Step 3: Cross multiply
    384,850.08x = 531,093.88 × 215,084.20
  4. Step 4: Simplify right side
    384,850.08x = 114,229,902,304.70
  5. Step 5: Solve for x
    x = 114,229,902,304.70/384,850.08
  6. Step 6: Final answer
    x = 296,816.63

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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.