Home / 204,948.60-307,422.90-191,729.40

Finding the Fourth Proportional to 204,948.60, 307,422.90 and 191,729.40

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Solution

The fourth proportional to 204,948.60, 307,422.90 and 191,729.40 is: 287,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,948.60 : 307,422.90 = 191,729.40 : x
  2. Step 2: Convert to fraction form
    204,948.60/307,422.90 = 191,729.40/x
  3. Step 3: Cross multiply
    204,948.60x = 307,422.90 × 191,729.40
  4. Step 4: Simplify right side
    204,948.60x = 58,942,008,163.26
  5. Step 5: Solve for x
    x = 58,942,008,163.26/204,948.60
  6. Step 6: Final answer
    x = 287,594.10

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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.