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Finding the Fourth Proportional to 354,224.08, 488,826.12 and 193,079.20

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Solution

The fourth proportional to 354,224.08, 488,826.12 and 193,079.20 is: 266,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,224.08 : 488,826.12 = 193,079.20 : x
  2. Step 2: Convert to fraction form
    354,224.08/488,826.12 = 193,079.20/x
  3. Step 3: Cross multiply
    354,224.08x = 488,826.12 × 193,079.20
  4. Step 4: Simplify right side
    354,224.08x = 94,382,156,188.70
  5. Step 5: Solve for x
    x = 94,382,156,188.70/354,224.08
  6. Step 6: Final answer
    x = 266,447.60

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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.