Home / 334,811.97-502,217.96-147,786.21

Finding the Fourth Proportional to 334,811.97, 502,217.96 and 147,786.21

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Solution

The fourth proportional to 334,811.97, 502,217.96 and 147,786.21 is: 221,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,811.97 : 502,217.96 = 147,786.21 : x
  2. Step 2: Convert to fraction form
    334,811.97/502,217.96 = 147,786.21/x
  3. Step 3: Cross multiply
    334,811.97x = 502,217.96 × 147,786.21
  4. Step 4: Simplify right side
    334,811.97x = 74,220,888,163.40
  5. Step 5: Solve for x
    x = 74,220,888,163.40/334,811.97
  6. Step 6: Final answer
    x = 221,679.32

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Double scale
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Similar ratio
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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.