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Finding the Fourth Proportional to 605,267.80, 907,639.02 and 205,801.30

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Solution

The fourth proportional to 605,267.80, 907,639.02 and 205,801.30 is: 308,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,267.80 : 907,639.02 = 205,801.30 : x
  2. Step 2: Convert to fraction form
    605,267.80/907,639.02 = 205,801.30/x
  3. Step 3: Cross multiply
    605,267.80x = 907,639.02 × 205,801.30
  4. Step 4: Simplify right side
    605,267.80x = 186,793,290,246.73
  5. Step 5: Solve for x
    x = 186,793,290,246.73/605,267.80
  6. Step 6: Final answer
    x = 308,612.63

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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.