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Finding the Fourth Proportional to 477,245.42, 658,581.73 and 262,383.92

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Solution

The fourth proportional to 477,245.42, 658,581.73 and 262,383.92 is: 362,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,245.42 : 658,581.73 = 262,383.92 : x
  2. Step 2: Convert to fraction form
    477,245.42/658,581.73 = 262,383.92/x
  3. Step 3: Cross multiply
    477,245.42x = 658,581.73 × 262,383.92
  4. Step 4: Simplify right side
    477,245.42x = 172,801,251,352.95
  5. Step 5: Solve for x
    x = 172,801,251,352.95/477,245.42
  6. Step 6: Final answer
    x = 362,080.49

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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.