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Finding the Fourth Proportional to 627,637.60, 941,413.20 and 201,167.20

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Solution

The fourth proportional to 627,637.60, 941,413.20 and 201,167.20 is: 301,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,637.60 : 941,413.20 = 201,167.20 : x
  2. Step 2: Convert to fraction form
    627,637.60/941,413.20 = 201,167.20/x
  3. Step 3: Cross multiply
    627,637.60x = 941,413.20 × 201,167.20
  4. Step 4: Simplify right side
    627,637.60x = 189,381,457,487.04
  5. Step 5: Solve for x
    x = 189,381,457,487.04/627,637.60
  6. Step 6: Final answer
    x = 301,736.95

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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.