Home / 212,006.66-318,004.98-52,082.34

Finding the Fourth Proportional to 212,006.66, 318,004.98 and 52,082.34

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Solution

The fourth proportional to 212,006.66, 318,004.98 and 52,082.34 is: 78,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,006.66 : 318,004.98 = 52,082.34 : x
  2. Step 2: Convert to fraction form
    212,006.66/318,004.98 = 52,082.34/x
  3. Step 3: Cross multiply
    212,006.66x = 318,004.98 × 52,082.34
  4. Step 4: Simplify right side
    212,006.66x = 16,562,443,490.05
  5. Step 5: Solve for x
    x = 16,562,443,490.05/212,006.66
  6. Step 6: Final answer
    x = 78,122.28

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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.