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Finding the Fourth Proportional to 218,729.77, 301,847.11 and 118,127.77

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Solution

The fourth proportional to 218,729.77, 301,847.11 and 118,127.77 is: 163,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,729.77 : 301,847.11 = 118,127.77 : x
  2. Step 2: Convert to fraction form
    218,729.77/301,847.11 = 118,127.77/x
  3. Step 3: Cross multiply
    218,729.77x = 301,847.11 × 118,127.77
  4. Step 4: Simplify right side
    218,729.77x = 35,656,524,935.31
  5. Step 5: Solve for x
    x = 35,656,524,935.31/218,729.77
  6. Step 6: Final answer
    x = 163,016.33

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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.