Home / 334,621.40-502,102.20-222,379.70

Finding the Fourth Proportional to 334,621.40, 502,102.20 and 222,379.70

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Solution

The fourth proportional to 334,621.40, 502,102.20 and 222,379.70 is: 333,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,621.40 : 502,102.20 = 222,379.70 : x
  2. Step 2: Convert to fraction form
    334,621.40/502,102.20 = 222,379.70/x
  3. Step 3: Cross multiply
    334,621.40x = 502,102.20 × 222,379.70
  4. Step 4: Simplify right side
    334,621.40x = 111,657,336,605.34
  5. Step 5: Solve for x
    x = 111,657,336,605.34/334,621.40
  6. Step 6: Final answer
    x = 333,682.59

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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.