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Finding the Fourth Proportional to 476,285.94, 657,335.25 and 275,081.94

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Solution

The fourth proportional to 476,285.94, 657,335.25 and 275,081.94 is: 379,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,285.94 : 657,335.25 = 275,081.94 : x
  2. Step 2: Convert to fraction form
    476,285.94/657,335.25 = 275,081.94/x
  3. Step 3: Cross multiply
    476,285.94x = 657,335.25 × 275,081.94
  4. Step 4: Simplify right side
    476,285.94x = 180,821,055,800.39
  5. Step 5: Solve for x
    x = 180,821,055,800.39/476,285.94
  6. Step 6: Final answer
    x = 379,648.11

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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.