Home / 221,256.10-331,840.95-73,512.10

Finding the Fourth Proportional to 221,256.10, 331,840.95 and 73,512.10

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Solution

The fourth proportional to 221,256.10, 331,840.95 and 73,512.10 is: 110,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,256.10 : 331,840.95 = 73,512.10 : x
  2. Step 2: Convert to fraction form
    221,256.10/331,840.95 = 73,512.10/x
  3. Step 3: Cross multiply
    221,256.10x = 331,840.95 × 73,512.10
  4. Step 4: Simplify right side
    221,256.10x = 24,394,325,100.50
  5. Step 5: Solve for x
    x = 24,394,325,100.50/221,256.10
  6. Step 6: Final answer
    x = 110,253.80

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1.5x scale

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.