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Finding the Fourth Proportional to 477,299.84, 658,676.19 and 262,453.73

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Solution

The fourth proportional to 477,299.84, 658,676.19 and 262,453.73 is: 362,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,299.84 : 658,676.19 = 262,453.73 : x
  2. Step 2: Convert to fraction form
    477,299.84/658,676.19 = 262,453.73/x
  3. Step 3: Cross multiply
    477,299.84x = 658,676.19 × 262,453.73
  4. Step 4: Simplify right side
    477,299.84x = 172,872,019,634.31
  5. Step 5: Solve for x
    x = 172,872,019,634.31/477,299.84
  6. Step 6: Final answer
    x = 362,187.47

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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.