Home / 251,945.90-347,672.22-156,450.55

Finding the Fourth Proportional to 251,945.90, 347,672.22 and 156,450.55

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Solution

The fourth proportional to 251,945.90, 347,672.22 and 156,450.55 is: 215,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,945.90 : 347,672.22 = 156,450.55 : x
  2. Step 2: Convert to fraction form
    251,945.90/347,672.22 = 156,450.55/x
  3. Step 3: Cross multiply
    251,945.90x = 347,672.22 × 156,450.55
  4. Step 4: Simplify right side
    251,945.90x = 54,393,510,038.72
  5. Step 5: Solve for x
    x = 54,393,510,038.72/251,945.90
  6. Step 6: Final answer
    x = 215,893.61

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1.5x scale

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.