Home / 412,436.42-569,134.05-231,117.38

Finding the Fourth Proportional to 412,436.42, 569,134.05 and 231,117.38

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Solution

The fourth proportional to 412,436.42, 569,134.05 and 231,117.38 is: 318,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,436.42 : 569,134.05 = 231,117.38 : x
  2. Step 2: Convert to fraction form
    412,436.42/569,134.05 = 231,117.38/x
  3. Step 3: Cross multiply
    412,436.42x = 569,134.05 × 231,117.38
  4. Step 4: Simplify right side
    412,436.42x = 131,536,770,504.79
  5. Step 5: Solve for x
    x = 131,536,770,504.79/412,436.42
  6. Step 6: Final answer
    x = 318,926.18

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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.