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Finding the Fourth Proportional to 303,246.32, 418,554.96 and 206,610.08

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Solution

The fourth proportional to 303,246.32, 418,554.96 and 206,610.08 is: 285,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,246.32 : 418,554.96 = 206,610.08 : x
  2. Step 2: Convert to fraction form
    303,246.32/418,554.96 = 206,610.08/x
  3. Step 3: Cross multiply
    303,246.32x = 418,554.96 × 206,610.08
  4. Step 4: Simplify right side
    303,246.32x = 86,477,673,770.00
  5. Step 5: Solve for x
    x = 86,477,673,770.00/303,246.32
  6. Step 6: Final answer
    x = 285,173.04

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1.5x scale

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.