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Finding the Fourth Proportional to 363,090.68, 543,702.90 and 222,422.84

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Solution

The fourth proportional to 363,090.68, 543,702.90 and 222,422.84 is: 333,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,090.68 : 543,702.90 = 222,422.84 : x
  2. Step 2: Convert to fraction form
    363,090.68/543,702.90 = 222,422.84/x
  3. Step 3: Cross multiply
    363,090.68x = 543,702.90 × 222,422.84
  4. Step 4: Simplify right side
    363,090.68x = 120,931,943,134.24
  5. Step 5: Solve for x
    x = 120,931,943,134.24/363,090.68
  6. Step 6: Final answer
    x = 333,062.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.