Home / 221,019.65-331,531.78-176,926.69

Finding the Fourth Proportional to 221,019.65, 331,531.78 and 176,926.69

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Solution

The fourth proportional to 221,019.65, 331,531.78 and 176,926.69 is: 265,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,019.65 : 331,531.78 = 176,926.69 : x
  2. Step 2: Convert to fraction form
    221,019.65/331,531.78 = 176,926.69/x
  3. Step 3: Cross multiply
    221,019.65x = 331,531.78 × 176,926.69
  4. Step 4: Simplify right side
    221,019.65x = 58,656,820,465.21
  5. Step 5: Solve for x
    x = 58,656,820,465.21/221,019.65
  6. Step 6: Final answer
    x = 265,391.88

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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.