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Finding the Fourth Proportional to 339,152.40, 468,039.60 and 218,527.20

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Solution

The fourth proportional to 339,152.40, 468,039.60 and 218,527.20 is: 301,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,152.40 : 468,039.60 = 218,527.20 : x
  2. Step 2: Convert to fraction form
    339,152.40/468,039.60 = 218,527.20/x
  3. Step 3: Cross multiply
    339,152.40x = 468,039.60 × 218,527.20
  4. Step 4: Simplify right side
    339,152.40x = 102,279,383,277.12
  5. Step 5: Solve for x
    x = 102,279,383,277.12/339,152.40
  6. Step 6: Final answer
    x = 301,573.52

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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.