Home / 331,262.80-496,651.20-131,484.40

Finding the Fourth Proportional to 331,262.80, 496,651.20 and 131,484.40

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Solution

The fourth proportional to 331,262.80, 496,651.20 and 131,484.40 is: 197,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,262.80 : 496,651.20 = 131,484.40 : x
  2. Step 2: Convert to fraction form
    331,262.80/496,651.20 = 131,484.40/x
  3. Step 3: Cross multiply
    331,262.80x = 496,651.20 × 131,484.40
  4. Step 4: Simplify right side
    331,262.80x = 65,301,885,041.28
  5. Step 5: Solve for x
    x = 65,301,885,041.28/331,262.80
  6. Step 6: Final answer
    x = 197,130.15

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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.