Home / 331,016.60-496,730.10-173,358.20

Finding the Fourth Proportional to 331,016.60, 496,730.10 and 173,358.20

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Solution

The fourth proportional to 331,016.60, 496,730.10 and 173,358.20 is: 260,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,016.60 : 496,730.10 = 173,358.20 : x
  2. Step 2: Convert to fraction form
    331,016.60/496,730.10 = 173,358.20/x
  3. Step 3: Cross multiply
    331,016.60x = 496,730.10 × 173,358.20
  4. Step 4: Simplify right side
    331,016.60x = 86,112,236,021.82
  5. Step 5: Solve for x
    x = 86,112,236,021.82/331,016.60
  6. Step 6: Final answer
    x = 260,144.77

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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.