Home / 221,307.12-331,790.52-114,576.66

Finding the Fourth Proportional to 221,307.12, 331,790.52 and 114,576.66

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Solution

The fourth proportional to 221,307.12, 331,790.52 and 114,576.66 is: 171,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,307.12 : 331,790.52 = 114,576.66 : x
  2. Step 2: Convert to fraction form
    221,307.12/331,790.52 = 114,576.66/x
  3. Step 3: Cross multiply
    221,307.12x = 331,790.52 × 114,576.66
  4. Step 4: Simplify right side
    221,307.12x = 38,015,449,601.26
  5. Step 5: Solve for x
    x = 38,015,449,601.26/221,307.12
  6. Step 6: Final answer
    x = 171,776.89

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1.5x scale

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.