Home / 339,968.81-510,015.18-140,178.26

Finding the Fourth Proportional to 339,968.81, 510,015.18 and 140,178.26

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Solution

The fourth proportional to 339,968.81, 510,015.18 and 140,178.26 is: 210,292.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,968.81 : 510,015.18 = 140,178.26 : x
  2. Step 2: Convert to fraction form
    339,968.81/510,015.18 = 140,178.26/x
  3. Step 3: Cross multiply
    339,968.81x = 510,015.18 × 140,178.26
  4. Step 4: Simplify right side
    339,968.81x = 71,493,040,505.99
  5. Step 5: Solve for x
    x = 71,493,040,505.99/339,968.81
  6. Step 6: Final answer
    x = 210,292.94

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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.