Home / 308,081.26-425,152.56-187,190.38

Finding the Fourth Proportional to 308,081.26, 425,152.56 and 187,190.38

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Solution

The fourth proportional to 308,081.26, 425,152.56 and 187,190.38 is: 258,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,081.26 : 425,152.56 = 187,190.38 : x
  2. Step 2: Convert to fraction form
    308,081.26/425,152.56 = 187,190.38/x
  3. Step 3: Cross multiply
    308,081.26x = 425,152.56 × 187,190.38
  4. Step 4: Simplify right side
    308,081.26x = 79,584,469,264.37
  5. Step 5: Solve for x
    x = 79,584,469,264.37/308,081.26
  6. Step 6: Final answer
    x = 258,322.98

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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.