Home / 218,694.10-328,041.02-168,846.97

Finding the Fourth Proportional to 218,694.10, 328,041.02 and 168,846.97

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Solution

The fourth proportional to 218,694.10, 328,041.02 and 168,846.97 is: 253,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,694.10 : 328,041.02 = 168,846.97 : x
  2. Step 2: Convert to fraction form
    218,694.10/328,041.02 = 168,846.97/x
  3. Step 3: Cross multiply
    218,694.10x = 328,041.02 × 168,846.97
  4. Step 4: Simplify right side
    218,694.10x = 55,388,731,418.47
  5. Step 5: Solve for x
    x = 55,388,731,418.47/218,694.10
  6. Step 6: Final answer
    x = 253,270.35

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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.