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Finding the Fourth Proportional to 368,105.98, 552,171.31 and 101,844.19

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Solution

The fourth proportional to 368,105.98, 552,171.31 and 101,844.19 is: 152,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,105.98 : 552,171.31 = 101,844.19 : x
  2. Step 2: Convert to fraction form
    368,105.98/552,171.31 = 101,844.19/x
  3. Step 3: Cross multiply
    368,105.98x = 552,171.31 × 101,844.19
  4. Step 4: Simplify right side
    368,105.98x = 56,235,439,808.19
  5. Step 5: Solve for x
    x = 56,235,439,808.19/368,105.98
  6. Step 6: Final answer
    x = 152,769.70

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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.