Home / 221,205.91-331,598.65-141,018.79

Finding the Fourth Proportional to 221,205.91, 331,598.65 and 141,018.79

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Solution

The fourth proportional to 221,205.91, 331,598.65 and 141,018.79 is: 211,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,205.91 : 331,598.65 = 141,018.79 : x
  2. Step 2: Convert to fraction form
    221,205.91/331,598.65 = 141,018.79/x
  3. Step 3: Cross multiply
    221,205.91x = 331,598.65 × 141,018.79
  4. Step 4: Simplify right side
    221,205.91x = 46,761,640,388.63
  5. Step 5: Solve for x
    x = 46,761,640,388.63/221,205.91
  6. Step 6: Final answer
    x = 211,394.17

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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.