Home / 221,467.55-331,326.52-192,210.35

Finding the Fourth Proportional to 221,467.55, 331,326.52 and 192,210.35

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Solution

The fourth proportional to 221,467.55, 331,326.52 and 192,210.35 is: 287,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,467.55 : 331,326.52 = 192,210.35 : x
  2. Step 2: Convert to fraction form
    221,467.55/331,326.52 = 192,210.35/x
  3. Step 3: Cross multiply
    221,467.55x = 331,326.52 × 192,210.35
  4. Step 4: Simplify right side
    221,467.55x = 63,684,386,373.48
  5. Step 5: Solve for x
    x = 63,684,386,373.48/221,467.55
  6. Step 6: Final answer
    x = 287,556.29

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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.