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Finding the Fourth Proportional to 285,048.99, 427,697.53 and 178,676.73

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Solution

The fourth proportional to 285,048.99, 427,697.53 and 178,676.73 is: 268,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,048.99 : 427,697.53 = 178,676.73 : x
  2. Step 2: Convert to fraction form
    285,048.99/427,697.53 = 178,676.73/x
  3. Step 3: Cross multiply
    285,048.99x = 427,697.53 × 178,676.73
  4. Step 4: Simplify right side
    285,048.99x = 76,419,595,642.79
  5. Step 5: Solve for x
    x = 76,419,595,642.79/285,048.99
  6. Step 6: Final answer
    x = 268,092.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.