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Finding the Fourth Proportional to 243,848.64, 365,736 and 66,369.48

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Solution

The fourth proportional to 243,848.64, 365,736 and 66,369.48 is: 99,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,848.64 : 365,736 = 66,369.48 : x
  2. Step 2: Convert to fraction form
    243,848.64/365,736 = 66,369.48/x
  3. Step 3: Cross multiply
    243,848.64x = 365,736 × 66,369.48
  4. Step 4: Simplify right side
    243,848.64x = 24,273,708,137.28
  5. Step 5: Solve for x
    x = 24,273,708,137.28/243,848.64
  6. Step 6: Final answer
    x = 99,544.16

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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.