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Finding the Fourth Proportional to 605,627.06, 908,465.70 and 226,509.80

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Solution

The fourth proportional to 605,627.06, 908,465.70 and 226,509.80 is: 339,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,627.06 : 908,465.70 = 226,509.80 : x
  2. Step 2: Convert to fraction form
    605,627.06/908,465.70 = 226,509.80/x
  3. Step 3: Cross multiply
    605,627.06x = 908,465.70 × 226,509.80
  4. Step 4: Simplify right side
    605,627.06x = 205,776,384,013.86
  5. Step 5: Solve for x
    x = 205,776,384,013.86/605,627.06
  6. Step 6: Final answer
    x = 339,774.09

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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.