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Finding the Fourth Proportional to 354,190.66, 488,783.29 and 201,229.12

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Solution

The fourth proportional to 354,190.66, 488,783.29 and 201,229.12 is: 277,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,190.66 : 488,783.29 = 201,229.12 : x
  2. Step 2: Convert to fraction form
    354,190.66/488,783.29 = 201,229.12/x
  3. Step 3: Cross multiply
    354,190.66x = 488,783.29 × 201,229.12
  4. Step 4: Simplify right side
    354,190.66x = 98,357,430,877.60
  5. Step 5: Solve for x
    x = 98,357,430,877.60/354,190.66
  6. Step 6: Final answer
    x = 277,696.29

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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.