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Finding the Fourth Proportional to 294,876.96, 406,660.24 and 218,586.12

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Solution

The fourth proportional to 294,876.96, 406,660.24 and 218,586.12 is: 301,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,876.96 : 406,660.24 = 218,586.12 : x
  2. Step 2: Convert to fraction form
    294,876.96/406,660.24 = 218,586.12/x
  3. Step 3: Cross multiply
    294,876.96x = 406,660.24 × 218,586.12
  4. Step 4: Simplify right side
    294,876.96x = 88,890,284,019.87
  5. Step 5: Solve for x
    x = 88,890,284,019.87/294,876.96
  6. Step 6: Final answer
    x = 301,448.73

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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.