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Finding the Fourth Proportional to 605,101.80, 906,270.30 and 356,269.80

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Solution

The fourth proportional to 605,101.80, 906,270.30 and 356,269.80 is: 533,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,101.80 : 906,270.30 = 356,269.80 : x
  2. Step 2: Convert to fraction form
    605,101.80/906,270.30 = 356,269.80/x
  3. Step 3: Cross multiply
    605,101.80x = 906,270.30 × 356,269.80
  4. Step 4: Simplify right side
    605,101.80x = 322,876,738,526.94
  5. Step 5: Solve for x
    x = 322,876,738,526.94/605,101.80
  6. Step 6: Final answer
    x = 533,590.78

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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.