Home / 339,825.08-509,799.05-140,034.26

Finding the Fourth Proportional to 339,825.08, 509,799.05 and 140,034.26

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Solution

The fourth proportional to 339,825.08, 509,799.05 and 140,034.26 is: 210,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,825.08 : 509,799.05 = 140,034.26 : x
  2. Step 2: Convert to fraction form
    339,825.08/509,799.05 = 140,034.26/x
  3. Step 3: Cross multiply
    339,825.08x = 509,799.05 × 140,034.26
  4. Step 4: Simplify right side
    339,825.08x = 71,389,332,715.45
  5. Step 5: Solve for x
    x = 71,389,332,715.45/339,825.08
  6. Step 6: Final answer
    x = 210,076.70

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1.5x scale

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.