Home / 339,427.20-509,286.60-173,215.20

Finding the Fourth Proportional to 339,427.20, 509,286.60 and 173,215.20

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Solution

The fourth proportional to 339,427.20, 509,286.60 and 173,215.20 is: 259,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,427.20 : 509,286.60 = 173,215.20 : x
  2. Step 2: Convert to fraction form
    339,427.20/509,286.60 = 173,215.20/x
  3. Step 3: Cross multiply
    339,427.20x = 509,286.60 × 173,215.20
  4. Step 4: Simplify right side
    339,427.20x = 88,216,180,276.32
  5. Step 5: Solve for x
    x = 88,216,180,276.32/339,427.20
  6. Step 6: Final answer
    x = 259,897.20

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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.