Home / 231,490.20-346,976.10-131,698.20

Finding the Fourth Proportional to 231,490.20, 346,976.10 and 131,698.20

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Solution

The fourth proportional to 231,490.20, 346,976.10 and 131,698.20 is: 197,399.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,490.20 : 346,976.10 = 131,698.20 : x
  2. Step 2: Convert to fraction form
    231,490.20/346,976.10 = 131,698.20/x
  3. Step 3: Cross multiply
    231,490.20x = 346,976.10 × 131,698.20
  4. Step 4: Simplify right side
    231,490.20x = 45,696,127,813.02
  5. Step 5: Solve for x
    x = 45,696,127,813.02/231,490.20
  6. Step 6: Final answer
    x = 197,399.84

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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.