Home / 339,964.47-509,716.67-190,308.06

Finding the Fourth Proportional to 339,964.47, 509,716.67 and 190,308.06

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Solution

The fourth proportional to 339,964.47, 509,716.67 and 190,308.06 is: 285,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,964.47 : 509,716.67 = 190,308.06 : x
  2. Step 2: Convert to fraction form
    339,964.47/509,716.67 = 190,308.06/x
  3. Step 3: Cross multiply
    339,964.47x = 509,716.67 × 190,308.06
  4. Step 4: Simplify right side
    339,964.47x = 97,003,189,665.82
  5. Step 5: Solve for x
    x = 97,003,189,665.82/339,964.47
  6. Step 6: Final answer
    x = 285,333.32

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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.