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Finding the Fourth Proportional to 354,265.20, 488,874.60 and 193,117.68

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Solution

The fourth proportional to 354,265.20, 488,874.60 and 193,117.68 is: 266,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,265.20 : 488,874.60 = 193,117.68 : x
  2. Step 2: Convert to fraction form
    354,265.20/488,874.60 = 193,117.68/x
  3. Step 3: Cross multiply
    354,265.20x = 488,874.60 × 193,117.68
  4. Step 4: Simplify right side
    354,265.20x = 94,410,328,562.93
  5. Step 5: Solve for x
    x = 94,410,328,562.93/354,265.20
  6. Step 6: Final answer
    x = 266,496.20

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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.