Home / 331,219.80-496,586.70-131,441.40

Finding the Fourth Proportional to 331,219.80, 496,586.70 and 131,441.40

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Solution

The fourth proportional to 331,219.80, 496,586.70 and 131,441.40 is: 197,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,219.80 : 496,586.70 = 131,441.40 : x
  2. Step 2: Convert to fraction form
    331,219.80/496,586.70 = 131,441.40/x
  3. Step 3: Cross multiply
    331,219.80x = 496,586.70 × 131,441.40
  4. Step 4: Simplify right side
    331,219.80x = 65,272,051,069.38
  5. Step 5: Solve for x
    x = 65,272,051,069.38/331,219.80
  6. Step 6: Final answer
    x = 197,065.67

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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.