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Finding the Fourth Proportional to 334,843.74, 461,767.23 and 219,920.13

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Solution

The fourth proportional to 334,843.74, 461,767.23 and 219,920.13 is: 303,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,843.74 : 461,767.23 = 219,920.13 : x
  2. Step 2: Convert to fraction form
    334,843.74/461,767.23 = 219,920.13/x
  3. Step 3: Cross multiply
    334,843.74x = 461,767.23 × 219,920.13
  4. Step 4: Simplify right side
    334,843.74x = 101,551,909,251.34
  5. Step 5: Solve for x
    x = 101,551,909,251.34/334,843.74
  6. Step 6: Final answer
    x = 303,281.49

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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.