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Finding the Fourth Proportional to 218,259.81, 301,235.63 and 161,195.58

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Solution

The fourth proportional to 218,259.81, 301,235.63 and 161,195.58 is: 222,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,259.81 : 301,235.63 = 161,195.58 : x
  2. Step 2: Convert to fraction form
    218,259.81/301,235.63 = 161,195.58/x
  3. Step 3: Cross multiply
    218,259.81x = 301,235.63 × 161,195.58
  4. Step 4: Simplify right side
    218,259.81x = 48,557,851,288.54
  5. Step 5: Solve for x
    x = 48,557,851,288.54/218,259.81
  6. Step 6: Final answer
    x = 222,477.29

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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.