Home / 221,438.34-331,996.59-88,278.66

Finding the Fourth Proportional to 221,438.34, 331,996.59 and 88,278.66

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Solution

The fourth proportional to 221,438.34, 331,996.59 and 88,278.66 is: 132,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,438.34 : 331,996.59 = 88,278.66 : x
  2. Step 2: Convert to fraction form
    221,438.34/331,996.59 = 88,278.66/x
  3. Step 3: Cross multiply
    221,438.34x = 331,996.59 × 88,278.66
  4. Step 4: Simplify right side
    221,438.34x = 29,308,214,089.77
  5. Step 5: Solve for x
    x = 29,308,214,089.77/221,438.34
  6. Step 6: Final answer
    x = 132,353.84

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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.