Home / 329,009.40-493,514.10-222,721.20

Finding the Fourth Proportional to 329,009.40, 493,514.10 and 222,721.20

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Solution

The fourth proportional to 329,009.40, 493,514.10 and 222,721.20 is: 334,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,009.40 : 493,514.10 = 222,721.20 : x
  2. Step 2: Convert to fraction form
    329,009.40/493,514.10 = 222,721.20/x
  3. Step 3: Cross multiply
    329,009.40x = 493,514.10 × 222,721.20
  4. Step 4: Simplify right side
    329,009.40x = 109,916,052,568.92
  5. Step 5: Solve for x
    x = 109,916,052,568.92/329,009.40
  6. Step 6: Final answer
    x = 334,081.80

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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.