Home / 221,260.60-331,826.10-102,903.40

Finding the Fourth Proportional to 221,260.60, 331,826.10 and 102,903.40

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Solution

The fourth proportional to 221,260.60, 331,826.10 and 102,903.40 is: 154,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,260.60 : 331,826.10 = 102,903.40 : x
  2. Step 2: Convert to fraction form
    221,260.60/331,826.10 = 102,903.40/x
  3. Step 3: Cross multiply
    221,260.60x = 331,826.10 × 102,903.40
  4. Step 4: Simplify right side
    221,260.60x = 34,146,033,898.74
  5. Step 5: Solve for x
    x = 34,146,033,898.74/221,260.60
  6. Step 6: Final answer
    x = 154,324.96

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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.