Home / 212,734.64-319,105.20-62,990.07

Finding the Fourth Proportional to 212,734.64, 319,105.20 and 62,990.07

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Solution

The fourth proportional to 212,734.64, 319,105.20 and 62,990.07 is: 94,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,734.64 : 319,105.20 = 62,990.07 : x
  2. Step 2: Convert to fraction form
    212,734.64/319,105.20 = 62,990.07/x
  3. Step 3: Cross multiply
    212,734.64x = 319,105.20 × 62,990.07
  4. Step 4: Simplify right side
    212,734.64x = 20,100,458,885.36
  5. Step 5: Solve for x
    x = 20,100,458,885.36/212,734.64
  6. Step 6: Final answer
    x = 94,486.07

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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.