Home / 330,813.90-496,350.45-131,100.30

Finding the Fourth Proportional to 330,813.90, 496,350.45 and 131,100.30

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Solution

The fourth proportional to 330,813.90, 496,350.45 and 131,100.30 is: 196,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,813.90 : 496,350.45 = 131,100.30 : x
  2. Step 2: Convert to fraction form
    330,813.90/496,350.45 = 131,100.30/x
  3. Step 3: Cross multiply
    330,813.90x = 496,350.45 × 131,100.30
  4. Step 4: Simplify right side
    330,813.90x = 65,071,692,900.14
  5. Step 5: Solve for x
    x = 65,071,692,900.14/330,813.90
  6. Step 6: Final answer
    x = 196,701.81

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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.