Home / 212,728.49-319,109.13-62,966.37

Finding the Fourth Proportional to 212,728.49, 319,109.13 and 62,966.37

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Solution

The fourth proportional to 212,728.49, 319,109.13 and 62,966.37 is: 94,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,728.49 : 319,109.13 = 62,966.37 : x
  2. Step 2: Convert to fraction form
    212,728.49/319,109.13 = 62,966.37/x
  3. Step 3: Cross multiply
    212,728.49x = 319,109.13 × 62,966.37
  4. Step 4: Simplify right side
    212,728.49x = 20,093,143,549.96
  5. Step 5: Solve for x
    x = 20,093,143,549.96/212,728.49
  6. Step 6: Final answer
    x = 94,454.41

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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.