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Finding the Fourth Proportional to 615,370.68, 923,048.60 and 159,921.56

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Solution

The fourth proportional to 615,370.68, 923,048.60 and 159,921.56 is: 239,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,370.68 : 923,048.60 = 159,921.56 : x
  2. Step 2: Convert to fraction form
    615,370.68/923,048.60 = 159,921.56/x
  3. Step 3: Cross multiply
    615,370.68x = 923,048.60 × 159,921.56
  4. Step 4: Simplify right side
    615,370.68x = 147,615,373,575.83
  5. Step 5: Solve for x
    x = 147,615,373,575.83/615,370.68
  6. Step 6: Final answer
    x = 239,880.41

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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.