Home / 331,012.10-496,518.15-198,301.70

Finding the Fourth Proportional to 331,012.10, 496,518.15 and 198,301.70

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Solution

The fourth proportional to 331,012.10, 496,518.15 and 198,301.70 is: 297,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,012.10 : 496,518.15 = 198,301.70 : x
  2. Step 2: Convert to fraction form
    331,012.10/496,518.15 = 198,301.70/x
  3. Step 3: Cross multiply
    331,012.10x = 496,518.15 × 198,301.70
  4. Step 4: Simplify right side
    331,012.10x = 98,460,393,225.86
  5. Step 5: Solve for x
    x = 98,460,393,225.86/331,012.10
  6. Step 6: Final answer
    x = 297,452.55

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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.