Home / 222,785.40-334,178.10-203,539.80

Finding the Fourth Proportional to 222,785.40, 334,178.10 and 203,539.80

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Solution

The fourth proportional to 222,785.40, 334,178.10 and 203,539.80 is: 305,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,785.40 : 334,178.10 = 203,539.80 : x
  2. Step 2: Convert to fraction form
    222,785.40/334,178.10 = 203,539.80/x
  3. Step 3: Cross multiply
    222,785.40x = 334,178.10 × 203,539.80
  4. Step 4: Simplify right side
    222,785.40x = 68,018,543,638.38
  5. Step 5: Solve for x
    x = 68,018,543,638.38/222,785.40
  6. Step 6: Final answer
    x = 305,309.70

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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.