Home / 468,042.59-645,977.99-271,778.48

Finding the Fourth Proportional to 468,042.59, 645,977.99 and 271,778.48

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Solution

The fourth proportional to 468,042.59, 645,977.99 and 271,778.48 is: 375,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,042.59 : 645,977.99 = 271,778.48 : x
  2. Step 2: Convert to fraction form
    468,042.59/645,977.99 = 271,778.48/x
  3. Step 3: Cross multiply
    468,042.59x = 645,977.99 × 271,778.48
  4. Step 4: Simplify right side
    468,042.59x = 175,562,916,107.63
  5. Step 5: Solve for x
    x = 175,562,916,107.63/468,042.59
  6. Step 6: Final answer
    x = 375,100.30

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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.