Home / 209,212.24-313,800.58-82,818.12

Finding the Fourth Proportional to 209,212.24, 313,800.58 and 82,818.12

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Solution

The fourth proportional to 209,212.24, 313,800.58 and 82,818.12 is: 124,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,212.24 : 313,800.58 = 82,818.12 : x
  2. Step 2: Convert to fraction form
    209,212.24/313,800.58 = 82,818.12/x
  3. Step 3: Cross multiply
    209,212.24x = 313,800.58 × 82,818.12
  4. Step 4: Simplify right side
    209,212.24x = 25,988,372,107.42
  5. Step 5: Solve for x
    x = 25,988,372,107.42/209,212.24
  6. Step 6: Final answer
    x = 124,220.14

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1.5x scale

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.