Home / 307,438.52-461,047.07-129,959.33

Finding the Fourth Proportional to 307,438.52, 461,047.07 and 129,959.33

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Solution

The fourth proportional to 307,438.52, 461,047.07 and 129,959.33 is: 194,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,438.52 : 461,047.07 = 129,959.33 : x
  2. Step 2: Convert to fraction form
    307,438.52/461,047.07 = 129,959.33/x
  3. Step 3: Cross multiply
    307,438.52x = 461,047.07 × 129,959.33
  4. Step 4: Simplify right side
    307,438.52x = 59,917,365,360.63
  5. Step 5: Solve for x
    x = 59,917,365,360.63/307,438.52
  6. Step 6: Final answer
    x = 194,892.19

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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.