Home / 212,787.29-319,227.66-63,039.31

Finding the Fourth Proportional to 212,787.29, 319,227.66 and 63,039.31

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Solution

The fourth proportional to 212,787.29, 319,227.66 and 63,039.31 is: 94,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,787.29 : 319,227.66 = 63,039.31 : x
  2. Step 2: Convert to fraction form
    212,787.29/319,227.66 = 63,039.31/x
  3. Step 3: Cross multiply
    212,787.29x = 319,227.66 × 63,039.31
  4. Step 4: Simplify right side
    212,787.29x = 20,123,890,621.25
  5. Step 5: Solve for x
    x = 20,123,890,621.25/212,787.29
  6. Step 6: Final answer
    x = 94,572.80

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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.