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Finding the Fourth Proportional to 332,011.98, 458,676.18 and 217,562.58

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Solution

The fourth proportional to 332,011.98, 458,676.18 and 217,562.58 is: 300,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,011.98 : 458,676.18 = 217,562.58 : x
  2. Step 2: Convert to fraction form
    332,011.98/458,676.18 = 217,562.58/x
  3. Step 3: Cross multiply
    332,011.98x = 458,676.18 × 217,562.58
  4. Step 4: Simplify right side
    332,011.98x = 99,790,773,105.34
  5. Step 5: Solve for x
    x = 99,790,773,105.34/332,011.98
  6. Step 6: Final answer
    x = 300,563.77

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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.