Home / 339,934.90-509,886.15-115,273.30

Finding the Fourth Proportional to 339,934.90, 509,886.15 and 115,273.30

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Solution

The fourth proportional to 339,934.90, 509,886.15 and 115,273.30 is: 172,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,934.90 : 509,886.15 = 115,273.30 : x
  2. Step 2: Convert to fraction form
    339,934.90/509,886.15 = 115,273.30/x
  3. Step 3: Cross multiply
    339,934.90x = 509,886.15 × 115,273.30
  4. Step 4: Simplify right side
    339,934.90x = 58,776,259,134.80
  5. Step 5: Solve for x
    x = 58,776,259,134.80/339,934.90
  6. Step 6: Final answer
    x = 172,904.46

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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.