Home / 212,821.50-319,237.11-63,058.98

Finding the Fourth Proportional to 212,821.50, 319,237.11 and 63,058.98

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Solution

The fourth proportional to 212,821.50, 319,237.11 and 63,058.98 is: 94,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,821.50 : 319,237.11 = 63,058.98 : x
  2. Step 2: Convert to fraction form
    212,821.50/319,237.11 = 63,058.98/x
  3. Step 3: Cross multiply
    212,821.50x = 319,237.11 × 63,058.98
  4. Step 4: Simplify right side
    212,821.50x = 20,130,766,534.75
  5. Step 5: Solve for x
    x = 20,130,766,534.75/212,821.50
  6. Step 6: Final answer
    x = 94,589.91

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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.