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Finding the Fourth Proportional to 294,243.63, 441,431.05 and 107,255.13

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Solution

The fourth proportional to 294,243.63, 441,431.05 and 107,255.13 is: 160,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,243.63 : 441,431.05 = 107,255.13 : x
  2. Step 2: Convert to fraction form
    294,243.63/441,431.05 = 107,255.13/x
  3. Step 3: Cross multiply
    294,243.63x = 441,431.05 × 107,255.13
  4. Step 4: Simplify right side
    294,243.63x = 47,345,744,653.79
  5. Step 5: Solve for x
    x = 47,345,744,653.79/294,243.63
  6. Step 6: Final answer
    x = 160,906.61

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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.