Home / 221,021.77-331,534.98-176,928.82

Finding the Fourth Proportional to 221,021.77, 331,534.98 and 176,928.82

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Solution

The fourth proportional to 221,021.77, 331,534.98 and 176,928.82 is: 265,395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,021.77 : 331,534.98 = 176,928.82 : x
  2. Step 2: Convert to fraction form
    221,021.77/331,534.98 = 176,928.82/x
  3. Step 3: Cross multiply
    221,021.77x = 331,534.98 × 176,928.82
  4. Step 4: Simplify right side
    221,021.77x = 58,658,092,800.12
  5. Step 5: Solve for x
    x = 58,658,092,800.12/221,021.77
  6. Step 6: Final answer
    x = 265,395.09

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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.