Home / 339,912.34-469,090.48-186,962.36

Finding the Fourth Proportional to 339,912.34, 469,090.48 and 186,962.36

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Solution

The fourth proportional to 339,912.34, 469,090.48 and 186,962.36 is: 258,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,912.34 : 469,090.48 = 186,962.36 : x
  2. Step 2: Convert to fraction form
    339,912.34/469,090.48 = 186,962.36/x
  3. Step 3: Cross multiply
    339,912.34x = 469,090.48 × 186,962.36
  4. Step 4: Simplify right side
    339,912.34x = 87,702,263,301.38
  5. Step 5: Solve for x
    x = 87,702,263,301.38/339,912.34
  6. Step 6: Final answer
    x = 258,014.36

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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.