Home / 407,849.33-611,145.23-218,334.85

Finding the Fourth Proportional to 407,849.33, 611,145.23 and 218,334.85

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Solution

The fourth proportional to 407,849.33, 611,145.23 and 218,334.85 is: 327,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,849.33 : 611,145.23 = 218,334.85 : x
  2. Step 2: Convert to fraction form
    407,849.33/611,145.23 = 218,334.85/x
  3. Step 3: Cross multiply
    407,849.33x = 611,145.23 × 218,334.85
  4. Step 4: Simplify right side
    407,849.33x = 133,434,302,120.27
  5. Step 5: Solve for x
    x = 133,434,302,120.27/407,849.33
  6. Step 6: Final answer
    x = 327,165.68

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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.