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Finding the Fourth Proportional to 299,334.52, 413,425.27 and 218,025.02

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Solution

The fourth proportional to 299,334.52, 413,425.27 and 218,025.02 is: 301,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,334.52 : 413,425.27 = 218,025.02 : x
  2. Step 2: Convert to fraction form
    299,334.52/413,425.27 = 218,025.02/x
  3. Step 3: Cross multiply
    299,334.52x = 413,425.27 × 218,025.02
  4. Step 4: Simplify right side
    299,334.52x = 90,137,052,512.39
  5. Step 5: Solve for x
    x = 90,137,052,512.39/299,334.52
  6. Step 6: Final answer
    x = 301,124.82

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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.