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Finding the Fourth Proportional to 243,630.30, 365,445.12 and 66,163.34

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Solution

The fourth proportional to 243,630.30, 365,445.12 and 66,163.34 is: 99,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,630.30 : 365,445.12 = 66,163.34 : x
  2. Step 2: Convert to fraction form
    243,630.30/365,445.12 = 66,163.34/x
  3. Step 3: Cross multiply
    243,630.30x = 365,445.12 × 66,163.34
  4. Step 4: Simplify right side
    243,630.30x = 24,179,069,725.90
  5. Step 5: Solve for x
    x = 24,179,069,725.90/243,630.30
  6. Step 6: Final answer
    x = 99,244.92

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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.