Home / 513,343.82-769,956.89-134,301.12

Finding the Fourth Proportional to 513,343.82, 769,956.89 and 134,301.12

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Solution

The fourth proportional to 513,343.82, 769,956.89 and 134,301.12 is: 201,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,343.82 : 769,956.89 = 134,301.12 : x
  2. Step 2: Convert to fraction form
    513,343.82/769,956.89 = 134,301.12/x
  3. Step 3: Cross multiply
    513,343.82x = 769,956.89 × 134,301.12
  4. Step 4: Simplify right side
    513,343.82x = 103,406,072,007.21
  5. Step 5: Solve for x
    x = 103,406,072,007.21/513,343.82
  6. Step 6: Final answer
    x = 201,436.29

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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.