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Finding the Fourth Proportional to 605,329.98, 907,679.67 and 225,938.68

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Solution

The fourth proportional to 605,329.98, 907,679.67 and 225,938.68 is: 338,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,329.98 : 907,679.67 = 225,938.68 : x
  2. Step 2: Convert to fraction form
    605,329.98/907,679.67 = 225,938.68/x
  3. Step 3: Cross multiply
    605,329.98x = 907,679.67 × 225,938.68
  4. Step 4: Simplify right side
    605,329.98x = 205,079,949,762.77
  5. Step 5: Solve for x
    x = 205,079,949,762.77/605,329.98
  6. Step 6: Final answer
    x = 338,790.34

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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.