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Finding the Fourth Proportional to 427,101.92, 641,040.96 and 227,592.80

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Solution

The fourth proportional to 427,101.92, 641,040.96 and 227,592.80 is: 341,596.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,101.92 : 641,040.96 = 227,592.80 : x
  2. Step 2: Convert to fraction form
    427,101.92/641,040.96 = 227,592.80/x
  3. Step 3: Cross multiply
    427,101.92x = 641,040.96 × 227,592.80
  4. Step 4: Simplify right side
    427,101.92x = 145,896,307,001.09
  5. Step 5: Solve for x
    x = 145,896,307,001.09/427,101.92
  6. Step 6: Final answer
    x = 341,596.00

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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.