Home / 198,428.19-297,331.25-168,723.87

Finding the Fourth Proportional to 198,428.19, 297,331.25 and 168,723.87

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Solution

The fourth proportional to 198,428.19, 297,331.25 and 168,723.87 is: 252,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,428.19 : 297,331.25 = 168,723.87 : x
  2. Step 2: Convert to fraction form
    198,428.19/297,331.25 = 168,723.87/x
  3. Step 3: Cross multiply
    198,428.19x = 297,331.25 × 168,723.87
  4. Step 4: Simplify right side
    198,428.19x = 50,166,878,328.32
  5. Step 5: Solve for x
    x = 50,166,878,328.32/198,428.19
  6. Step 6: Final answer
    x = 252,821.33

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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.