Home / 331,328.10-496,992.15-120,972.90

Finding the Fourth Proportional to 331,328.10, 496,992.15 and 120,972.90

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Solution

The fourth proportional to 331,328.10, 496,992.15 and 120,972.90 is: 181,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,328.10 : 496,992.15 = 120,972.90 : x
  2. Step 2: Convert to fraction form
    331,328.10/496,992.15 = 120,972.90/x
  3. Step 3: Cross multiply
    331,328.10x = 496,992.15 × 120,972.90
  4. Step 4: Simplify right side
    331,328.10x = 60,122,581,662.74
  5. Step 5: Solve for x
    x = 60,122,581,662.74/331,328.10
  6. Step 6: Final answer
    x = 181,459.35

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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.