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Finding the Fourth Proportional to 275,022.27, 379,552.64 and 161,866.89

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Solution

The fourth proportional to 275,022.27, 379,552.64 and 161,866.89 is: 223,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,022.27 : 379,552.64 = 161,866.89 : x
  2. Step 2: Convert to fraction form
    275,022.27/379,552.64 = 161,866.89/x
  3. Step 3: Cross multiply
    275,022.27x = 379,552.64 × 161,866.89
  4. Step 4: Simplify right side
    275,022.27x = 61,437,004,618.76
  5. Step 5: Solve for x
    x = 61,437,004,618.76/275,022.27
  6. Step 6: Final answer
    x = 223,389.20

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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.