Home / 605,046.20-907,569.30-206,137.40

Finding the Fourth Proportional to 605,046.20, 907,569.30 and 206,137.40

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Solution

The fourth proportional to 605,046.20, 907,569.30 and 206,137.40 is: 309,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,046.20 : 907,569.30 = 206,137.40 : x
  2. Step 2: Convert to fraction form
    605,046.20/907,569.30 = 206,137.40/x
  3. Step 3: Cross multiply
    605,046.20x = 907,569.30 × 206,137.40
  4. Step 4: Simplify right side
    605,046.20x = 187,083,975,821.82
  5. Step 5: Solve for x
    x = 187,083,975,821.82/605,046.20
  6. Step 6: Final answer
    x = 309,206.10

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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.