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Finding the Fourth Proportional to 371,401.80, 557,037.90 and 134,622.60

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Solution

The fourth proportional to 371,401.80, 557,037.90 and 134,622.60 is: 201,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,401.80 : 557,037.90 = 134,622.60 : x
  2. Step 2: Convert to fraction form
    371,401.80/557,037.90 = 134,622.60/x
  3. Step 3: Cross multiply
    371,401.80x = 557,037.90 × 134,622.60
  4. Step 4: Simplify right side
    371,401.80x = 74,989,890,396.54
  5. Step 5: Solve for x
    x = 74,989,890,396.54/371,401.80
  6. Step 6: Final answer
    x = 201,910.41

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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.