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Finding the Fourth Proportional to 270,296.40, 404,861.40 and 223,640.40

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Solution

The fourth proportional to 270,296.40, 404,861.40 and 223,640.40 is: 334,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,296.40 : 404,861.40 = 223,640.40 : x
  2. Step 2: Convert to fraction form
    270,296.40/404,861.40 = 223,640.40/x
  3. Step 3: Cross multiply
    270,296.40x = 404,861.40 × 223,640.40
  4. Step 4: Simplify right side
    270,296.40x = 90,543,365,440.56
  5. Step 5: Solve for x
    x = 90,543,365,440.56/270,296.40
  6. Step 6: Final answer
    x = 334,978.07

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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.