Home / 198,406.08-297,298.05-168,701.76

Finding the Fourth Proportional to 198,406.08, 297,298.05 and 168,701.76

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Solution

The fourth proportional to 198,406.08, 297,298.05 and 168,701.76 is: 252,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,406.08 : 297,298.05 = 168,701.76 : x
  2. Step 2: Convert to fraction form
    198,406.08/297,298.05 = 168,701.76/x
  3. Step 3: Cross multiply
    198,406.08x = 297,298.05 × 168,701.76
  4. Step 4: Simplify right side
    198,406.08x = 50,154,704,279.57
  5. Step 5: Solve for x
    x = 50,154,704,279.57/198,406.08
  6. Step 6: Final answer
    x = 252,788.14

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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.