Home / 339,934.48-509,527.42-140,145.28

Finding the Fourth Proportional to 339,934.48, 509,527.42 and 140,145.28

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Solution

The fourth proportional to 339,934.48, 509,527.42 and 140,145.28 is: 210,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,934.48 : 509,527.42 = 140,145.28 : x
  2. Step 2: Convert to fraction form
    339,934.48/509,527.42 = 140,145.28/x
  3. Step 3: Cross multiply
    339,934.48x = 509,527.42 × 140,145.28
  4. Step 4: Simplify right side
    339,934.48x = 71,407,862,943.58
  5. Step 5: Solve for x
    x = 71,407,862,943.58/339,934.48
  6. Step 6: Final answer
    x = 210,063.61

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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.