Home / 399,944.73-551,932.47-238,769.67

Finding the Fourth Proportional to 399,944.73, 551,932.47 and 238,769.67

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Solution

The fourth proportional to 399,944.73, 551,932.47 and 238,769.67 is: 329,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,944.73 : 551,932.47 = 238,769.67 : x
  2. Step 2: Convert to fraction form
    399,944.73/551,932.47 = 238,769.67/x
  3. Step 3: Cross multiply
    399,944.73x = 551,932.47 × 238,769.67
  4. Step 4: Simplify right side
    399,944.73x = 131,784,733,724.19
  5. Step 5: Solve for x
    x = 131,784,733,724.19/399,944.73
  6. Step 6: Final answer
    x = 329,507.36

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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.