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Finding the Fourth Proportional to 609,308.87, 914,004.78 and 160,028.95

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Solution

The fourth proportional to 609,308.87, 914,004.78 and 160,028.95 is: 240,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,308.87 : 914,004.78 = 160,028.95 : x
  2. Step 2: Convert to fraction form
    609,308.87/914,004.78 = 160,028.95/x
  3. Step 3: Cross multiply
    609,308.87x = 914,004.78 × 160,028.95
  4. Step 4: Simplify right side
    609,308.87x = 146,267,225,238.38
  5. Step 5: Solve for x
    x = 146,267,225,238.38/609,308.87
  6. Step 6: Final answer
    x = 240,054.32

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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.