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Finding the Fourth Proportional to 354,179.07, 488,778.56 and 201,214.48

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Solution

The fourth proportional to 354,179.07, 488,778.56 and 201,214.48 is: 277,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,179.07 : 488,778.56 = 201,214.48 : x
  2. Step 2: Convert to fraction form
    354,179.07/488,778.56 = 201,214.48/x
  3. Step 3: Cross multiply
    354,179.07x = 488,778.56 × 201,214.48
  4. Step 4: Simplify right side
    354,179.07x = 98,349,324,899.56
  5. Step 5: Solve for x
    x = 98,349,324,899.56/354,179.07
  6. Step 6: Final answer
    x = 277,682.48

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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.