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Finding the Fourth Proportional to 627,855.60, 941,740.20 and 201,385.20

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Solution

The fourth proportional to 627,855.60, 941,740.20 and 201,385.20 is: 302,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,855.60 : 941,740.20 = 201,385.20 : x
  2. Step 2: Convert to fraction form
    627,855.60/941,740.20 = 201,385.20/x
  3. Step 3: Cross multiply
    627,855.60x = 941,740.20 × 201,385.20
  4. Step 4: Simplify right side
    627,855.60x = 189,652,538,525.04
  5. Step 5: Solve for x
    x = 189,652,538,525.04/627,855.60
  6. Step 6: Final answer
    x = 302,063.94

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1.5x scale

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.