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Finding the Fourth Proportional to 394,291.06, 544,121.10 and 224,525.17

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Solution

The fourth proportional to 394,291.06, 544,121.10 and 224,525.17 is: 309,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,291.06 : 544,121.10 = 224,525.17 : x
  2. Step 2: Convert to fraction form
    394,291.06/544,121.10 = 224,525.17/x
  3. Step 3: Cross multiply
    394,291.06x = 544,121.10 × 224,525.17
  4. Step 4: Simplify right side
    394,291.06x = 122,168,882,478.09
  5. Step 5: Solve for x
    x = 122,168,882,478.09/394,291.06
  6. Step 6: Final answer
    x = 309,844.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.