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Finding the Fourth Proportional to 218,773.12, 301,907.04 and 118,171.12

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Solution

The fourth proportional to 218,773.12, 301,907.04 and 118,171.12 is: 163,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,773.12 : 301,907.04 = 118,171.12 : x
  2. Step 2: Convert to fraction form
    218,773.12/301,907.04 = 118,171.12/x
  3. Step 3: Cross multiply
    218,773.12x = 301,907.04 × 118,171.12
  4. Step 4: Simplify right side
    218,773.12x = 35,676,693,052.68
  5. Step 5: Solve for x
    x = 35,676,693,052.68/218,773.12
  6. Step 6: Final answer
    x = 163,076.22

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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.