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Finding the Fourth Proportional to 354,242.86, 488,836.67 and 201,259.82

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Solution

The fourth proportional to 354,242.86, 488,836.67 and 201,259.82 is: 277,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,242.86 : 488,836.67 = 201,259.82 : x
  2. Step 2: Convert to fraction form
    354,242.86/488,836.67 = 201,259.82/x
  3. Step 3: Cross multiply
    354,242.86x = 488,836.67 × 201,259.82
  4. Step 4: Simplify right side
    354,242.86x = 98,383,180,429.39
  5. Step 5: Solve for x
    x = 98,383,180,429.39/354,242.86
  6. Step 6: Final answer
    x = 277,728.06

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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.