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Finding the Fourth Proportional to 354,280.95, 488,896.34 and 193,133.43

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Solution

The fourth proportional to 354,280.95, 488,896.34 and 193,133.43 is: 266,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,280.95 : 488,896.34 = 193,133.43 : x
  2. Step 2: Convert to fraction form
    354,280.95/488,896.34 = 193,133.43/x
  3. Step 3: Cross multiply
    354,280.95x = 488,896.34 × 193,133.43
  4. Step 4: Simplify right side
    354,280.95x = 94,422,226,092.98
  5. Step 5: Solve for x
    x = 94,422,226,092.98/354,280.95
  6. Step 6: Final answer
    x = 266,517.93

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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.