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Finding the Fourth Proportional to 243,773.64, 336,408.42 and 136,345.50

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Solution

The fourth proportional to 243,773.64, 336,408.42 and 136,345.50 is: 188,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,773.64 : 336,408.42 = 136,345.50 : x
  2. Step 2: Convert to fraction form
    243,773.64/336,408.42 = 136,345.50/x
  3. Step 3: Cross multiply
    243,773.64x = 336,408.42 × 136,345.50
  4. Step 4: Simplify right side
    243,773.64x = 45,867,774,229.11
  5. Step 5: Solve for x
    x = 45,867,774,229.11/243,773.64
  6. Step 6: Final answer
    x = 188,157.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.