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Finding the Fourth Proportional to 154,467.60, 231,701.40 and 54,740.40

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Solution

The fourth proportional to 154,467.60, 231,701.40 and 54,740.40 is: 82,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,467.60 : 231,701.40 = 54,740.40 : x
  2. Step 2: Convert to fraction form
    154,467.60/231,701.40 = 54,740.40/x
  3. Step 3: Cross multiply
    154,467.60x = 231,701.40 × 54,740.40
  4. Step 4: Simplify right side
    154,467.60x = 12,683,427,316.56
  5. Step 5: Solve for x
    x = 12,683,427,316.56/154,467.60
  6. Step 6: Final answer
    x = 82,110.60

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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.