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Finding the Fourth Proportional to 436,201.80, 654,302.70 and 225,904.20

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Solution

The fourth proportional to 436,201.80, 654,302.70 and 225,904.20 is: 338,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,201.80 : 654,302.70 = 225,904.20 : x
  2. Step 2: Convert to fraction form
    436,201.80/654,302.70 = 225,904.20/x
  3. Step 3: Cross multiply
    436,201.80x = 654,302.70 × 225,904.20
  4. Step 4: Simplify right side
    436,201.80x = 147,809,728,001.34
  5. Step 5: Solve for x
    x = 147,809,728,001.34/436,201.80
  6. Step 6: Final answer
    x = 338,856.30

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1.5x scale

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.