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Finding the Fourth Proportional to 627,870.60, 941,805.90 and 201,405.60

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Solution

The fourth proportional to 627,870.60, 941,805.90 and 201,405.60 is: 302,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,870.60 : 941,805.90 = 201,405.60 : x
  2. Step 2: Convert to fraction form
    627,870.60/941,805.90 = 201,405.60/x
  3. Step 3: Cross multiply
    627,870.60x = 941,805.90 × 201,405.60
  4. Step 4: Simplify right side
    627,870.60x = 189,684,982,373.04
  5. Step 5: Solve for x
    x = 189,684,982,373.04/627,870.60
  6. Step 6: Final answer
    x = 302,108.40

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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.