Home / 218,328.22-301,276.82-122,816.54

Finding the Fourth Proportional to 218,328.22, 301,276.82 and 122,816.54

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Solution

The fourth proportional to 218,328.22, 301,276.82 and 122,816.54 is: 169,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,328.22 : 301,276.82 = 122,816.54 : x
  2. Step 2: Convert to fraction form
    218,328.22/301,276.82 = 122,816.54/x
  3. Step 3: Cross multiply
    218,328.22x = 301,276.82 × 122,816.54
  4. Step 4: Simplify right side
    218,328.22x = 37,001,776,614.60
  5. Step 5: Solve for x
    x = 37,001,776,614.60/218,328.22
  6. Step 6: Final answer
    x = 169,477.76

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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.