Home / 231,631.16-347,497.74-131,838.32

Finding the Fourth Proportional to 231,631.16, 347,497.74 and 131,838.32

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Solution

The fourth proportional to 231,631.16, 347,497.74 and 131,838.32 is: 197,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,631.16 : 347,497.74 = 131,838.32 : x
  2. Step 2: Convert to fraction form
    231,631.16/347,497.74 = 131,838.32/x
  3. Step 3: Cross multiply
    231,631.16x = 347,497.74 × 131,838.32
  4. Step 4: Simplify right side
    231,631.16x = 45,813,518,245.40
  5. Step 5: Solve for x
    x = 45,813,518,245.40/231,631.16
  6. Step 6: Final answer
    x = 197,786.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.