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Finding the Fourth Proportional to 294,448.35, 441,713.84 and 144,694.54

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Solution

The fourth proportional to 294,448.35, 441,713.84 and 144,694.54 is: 217,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,448.35 : 441,713.84 = 144,694.54 : x
  2. Step 2: Convert to fraction form
    294,448.35/441,713.84 = 144,694.54/x
  3. Step 3: Cross multiply
    294,448.35x = 441,713.84 × 144,694.54
  4. Step 4: Simplify right side
    294,448.35x = 63,913,580,890.43
  5. Step 5: Solve for x
    x = 63,913,580,890.43/294,448.35
  6. Step 6: Final answer
    x = 217,062.11

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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.