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Finding the Fourth Proportional to 298,811.09, 412,359.32 and 164,675.09

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Solution

The fourth proportional to 298,811.09, 412,359.32 and 164,675.09 is: 227,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,811.09 : 412,359.32 = 164,675.09 : x
  2. Step 2: Convert to fraction form
    298,811.09/412,359.32 = 164,675.09/x
  3. Step 3: Cross multiply
    298,811.09x = 412,359.32 × 164,675.09
  4. Step 4: Simplify right side
    298,811.09x = 67,905,309,575.92
  5. Step 5: Solve for x
    x = 67,905,309,575.92/298,811.09
  6. Step 6: Final answer
    x = 227,251.64

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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.