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Finding the Fourth Proportional to 431,059.50, 594,819.51 and 240,090.66

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Solution

The fourth proportional to 431,059.50, 594,819.51 and 240,090.66 is: 331,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,059.50 : 594,819.51 = 240,090.66 : x
  2. Step 2: Convert to fraction form
    431,059.50/594,819.51 = 240,090.66/x
  3. Step 3: Cross multiply
    431,059.50x = 594,819.51 × 240,090.66
  4. Step 4: Simplify right side
    431,059.50x = 142,810,608,736.78
  5. Step 5: Solve for x
    x = 142,810,608,736.78/431,059.50
  6. Step 6: Final answer
    x = 331,301.38

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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.