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Finding the Fourth Proportional to 132,407.40, 198,611.10 and 132,407.40

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Solution

The fourth proportional to 132,407.40, 198,611.10 and 132,407.40 is: 198,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,407.40 : 198,611.10 = 132,407.40 : x
  2. Step 2: Convert to fraction form
    132,407.40/198,611.10 = 132,407.40/x
  3. Step 3: Cross multiply
    132,407.40x = 198,611.10 × 132,407.40
  4. Step 4: Simplify right side
    132,407.40x = 26,297,579,362.14
  5. Step 5: Solve for x
    x = 26,297,579,362.14/132,407.40
  6. Step 6: Final answer
    x = 198,611.10

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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.