Home / 221,471.55-331,332.52-192,214.35

Finding the Fourth Proportional to 221,471.55, 331,332.52 and 192,214.35

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Solution

The fourth proportional to 221,471.55, 331,332.52 and 192,214.35 is: 287,562.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,471.55 : 331,332.52 = 192,214.35 : x
  2. Step 2: Convert to fraction form
    221,471.55/331,332.52 = 192,214.35/x
  3. Step 3: Cross multiply
    221,471.55x = 331,332.52 × 192,214.35
  4. Step 4: Simplify right side
    221,471.55x = 63,686,864,965.66
  5. Step 5: Solve for x
    x = 63,686,864,965.66/221,471.55
  6. Step 6: Final answer
    x = 287,562.28

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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.