Home / 213,278.94-319,799.34-134,223.75

Finding the Fourth Proportional to 213,278.94, 319,799.34 and 134,223.75

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Solution

The fourth proportional to 213,278.94, 319,799.34 and 134,223.75 is: 201,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,278.94 : 319,799.34 = 134,223.75 : x
  2. Step 2: Convert to fraction form
    213,278.94/319,799.34 = 134,223.75/x
  3. Step 3: Cross multiply
    213,278.94x = 319,799.34 × 134,223.75
  4. Step 4: Simplify right side
    213,278.94x = 42,924,666,662.33
  5. Step 5: Solve for x
    x = 42,924,666,662.33/213,278.94
  6. Step 6: Final answer
    x = 201,260.69

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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.