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Finding the Fourth Proportional to 203,477.58, 280,793.88 and 112,832.10

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Solution

The fourth proportional to 203,477.58, 280,793.88 and 112,832.10 is: 155,705.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,477.58 : 280,793.88 = 112,832.10 : x
  2. Step 2: Convert to fraction form
    203,477.58/280,793.88 = 112,832.10/x
  3. Step 3: Cross multiply
    203,477.58x = 280,793.88 × 112,832.10
  4. Step 4: Simplify right side
    203,477.58x = 31,682,563,147.55
  5. Step 5: Solve for x
    x = 31,682,563,147.55/203,477.58
  6. Step 6: Final answer
    x = 155,705.43

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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.