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Finding the Fourth Proportional to 133,398.72, 200,056.36 and 44,631.44

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Solution

The fourth proportional to 133,398.72, 200,056.36 and 44,631.44 is: 66,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,398.72 : 200,056.36 = 44,631.44 : x
  2. Step 2: Convert to fraction form
    133,398.72/200,056.36 = 44,631.44/x
  3. Step 3: Cross multiply
    133,398.72x = 200,056.36 × 44,631.44
  4. Step 4: Simplify right side
    133,398.72x = 8,928,803,427.96
  5. Step 5: Solve for x
    x = 8,928,803,427.96/133,398.72
  6. Step 6: Final answer
    x = 66,933.20

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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.