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Finding the Fourth Proportional to 345,620.93, 477,047.10 and 225,092.93

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Solution

The fourth proportional to 345,620.93, 477,047.10 and 225,092.93 is: 310,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,620.93 : 477,047.10 = 225,092.93 : x
  2. Step 2: Convert to fraction form
    345,620.93/477,047.10 = 225,092.93/x
  3. Step 3: Cross multiply
    345,620.93x = 477,047.10 × 225,092.93
  4. Step 4: Simplify right side
    345,620.93x = 107,379,929,487.00
  5. Step 5: Solve for x
    x = 107,379,929,487.00/345,620.93
  6. Step 6: Final answer
    x = 310,687.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.