Home / 331,012.60-496,518.90-198,302.20

Finding the Fourth Proportional to 331,012.60, 496,518.90 and 198,302.20

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Solution

The fourth proportional to 331,012.60, 496,518.90 and 198,302.20 is: 297,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,012.60 : 496,518.90 = 198,302.20 : x
  2. Step 2: Convert to fraction form
    331,012.60/496,518.90 = 198,302.20/x
  3. Step 3: Cross multiply
    331,012.60x = 496,518.90 × 198,302.20
  4. Step 4: Simplify right side
    331,012.60x = 98,460,790,211.58
  5. Step 5: Solve for x
    x = 98,460,790,211.58/331,012.60
  6. Step 6: Final answer
    x = 297,453.30

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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.