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Finding the Fourth Proportional to 615,474.80, 923,119.80 and 194,696

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Solution

The fourth proportional to 615,474.80, 923,119.80 and 194,696 is: 292,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,474.80 : 923,119.80 = 194,696 : x
  2. Step 2: Convert to fraction form
    615,474.80/923,119.80 = 194,696/x
  3. Step 3: Cross multiply
    615,474.80x = 923,119.80 × 194,696
  4. Step 4: Simplify right side
    615,474.80x = 179,727,732,580.80
  5. Step 5: Solve for x
    x = 179,727,732,580.80/615,474.80
  6. Step 6: Final answer
    x = 292,014.77

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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.