Home / 221,298.95-331,947.83-94,857.21

Finding the Fourth Proportional to 221,298.95, 331,947.83 and 94,857.21

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Solution

The fourth proportional to 221,298.95, 331,947.83 and 94,857.21 is: 142,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,298.95 : 331,947.83 = 94,857.21 : x
  2. Step 2: Convert to fraction form
    221,298.95/331,947.83 = 94,857.21/x
  3. Step 3: Cross multiply
    221,298.95x = 331,947.83 × 94,857.21
  4. Step 4: Simplify right side
    221,298.95x = 31,487,644,545.07
  5. Step 5: Solve for x
    x = 31,487,644,545.07/221,298.95
  6. Step 6: Final answer
    x = 142,285.56

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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.