Home / 221,037.49-331,570.80-80,894.53

Finding the Fourth Proportional to 221,037.49, 331,570.80 and 80,894.53

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Solution

The fourth proportional to 221,037.49, 331,570.80 and 80,894.53 is: 121,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,037.49 : 331,570.80 = 80,894.53 : x
  2. Step 2: Convert to fraction form
    221,037.49/331,570.80 = 80,894.53/x
  3. Step 3: Cross multiply
    221,037.49x = 331,570.80 × 80,894.53
  4. Step 4: Simplify right side
    221,037.49x = 26,822,264,027.72
  5. Step 5: Solve for x
    x = 26,822,264,027.72/221,037.49
  6. Step 6: Final answer
    x = 121,347.13

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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.