Home / 221,057.96-331,669.04-153,554.42

Finding the Fourth Proportional to 221,057.96, 331,669.04 and 153,554.42

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Solution

The fourth proportional to 221,057.96, 331,669.04 and 153,554.42 is: 230,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,057.96 : 331,669.04 = 153,554.42 : x
  2. Step 2: Convert to fraction form
    221,057.96/331,669.04 = 153,554.42/x
  3. Step 3: Cross multiply
    221,057.96x = 331,669.04 × 153,554.42
  4. Step 4: Simplify right side
    221,057.96x = 50,929,248,682.95
  5. Step 5: Solve for x
    x = 50,929,248,682.95/221,057.96
  6. Step 6: Final answer
    x = 230,388.67

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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.