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Finding the Fourth Proportional to 218,801.88, 301,946.88 and 118,199.88

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Solution

The fourth proportional to 218,801.88, 301,946.88 and 118,199.88 is: 163,115.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,801.88 : 301,946.88 = 118,199.88 : x
  2. Step 2: Convert to fraction form
    218,801.88/301,946.88 = 118,199.88/x
  3. Step 3: Cross multiply
    218,801.88x = 301,946.88 × 118,199.88
  4. Step 4: Simplify right side
    218,801.88x = 35,690,084,982.37
  5. Step 5: Solve for x
    x = 35,690,084,982.37/218,801.88
  6. Step 6: Final answer
    x = 163,115.99

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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.