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Finding the Fourth Proportional to 218,940.14, 328,410.22 and 52,728.14

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Solution

The fourth proportional to 218,940.14, 328,410.22 and 52,728.14 is: 79,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,940.14 : 328,410.22 = 52,728.14 : x
  2. Step 2: Convert to fraction form
    218,940.14/328,410.22 = 52,728.14/x
  3. Step 3: Cross multiply
    218,940.14x = 328,410.22 × 52,728.14
  4. Step 4: Simplify right side
    218,940.14x = 17,316,460,057.59
  5. Step 5: Solve for x
    x = 17,316,460,057.59/218,940.14
  6. Step 6: Final answer
    x = 79,092.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.