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Finding the Fourth Proportional to 218,625.62, 301,704.36 and 123,133.91

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Solution

The fourth proportional to 218,625.62, 301,704.36 and 123,133.91 is: 169,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,625.62 : 301,704.36 = 123,133.91 : x
  2. Step 2: Convert to fraction form
    218,625.62/301,704.36 = 123,133.91/x
  3. Step 3: Cross multiply
    218,625.62x = 301,704.36 × 123,133.91
  4. Step 4: Simplify right side
    218,625.62x = 37,150,037,510.85
  5. Step 5: Solve for x
    x = 37,150,037,510.85/218,625.62
  6. Step 6: Final answer
    x = 169,925.36

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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.