Home / 251,633.72-347,140.11-149,601.29

Finding the Fourth Proportional to 251,633.72, 347,140.11 and 149,601.29

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Solution

The fourth proportional to 251,633.72, 347,140.11 and 149,601.29 is: 206,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,633.72 : 347,140.11 = 149,601.29 : x
  2. Step 2: Convert to fraction form
    251,633.72/347,140.11 = 149,601.29/x
  3. Step 3: Cross multiply
    251,633.72x = 347,140.11 × 149,601.29
  4. Step 4: Simplify right side
    251,633.72x = 51,932,605,970.04
  5. Step 5: Solve for x
    x = 51,932,605,970.04/251,633.72
  6. Step 6: Final answer
    x = 206,381.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.