Home / 221,285.95-331,920.27-63,514.35

Finding the Fourth Proportional to 221,285.95, 331,920.27 and 63,514.35

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Solution

The fourth proportional to 221,285.95, 331,920.27 and 63,514.35 is: 95,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,285.95 : 331,920.27 = 63,514.35 : x
  2. Step 2: Convert to fraction form
    221,285.95/331,920.27 = 63,514.35/x
  3. Step 3: Cross multiply
    221,285.95x = 331,920.27 × 63,514.35
  4. Step 4: Simplify right side
    221,285.95x = 21,081,700,200.87
  5. Step 5: Solve for x
    x = 21,081,700,200.87/221,285.95
  6. Step 6: Final answer
    x = 95,269.04

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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.