Home / 222,220.20-333,516.96-208,207.61

Finding the Fourth Proportional to 222,220.20, 333,516.96 and 208,207.61

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Solution

The fourth proportional to 222,220.20, 333,516.96 and 208,207.61 is: 312,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,220.20 : 333,516.96 = 208,207.61 : x
  2. Step 2: Convert to fraction form
    222,220.20/333,516.96 = 208,207.61/x
  3. Step 3: Cross multiply
    222,220.20x = 333,516.96 × 208,207.61
  4. Step 4: Simplify right side
    222,220.20x = 69,440,767,468.48
  5. Step 5: Solve for x
    x = 69,440,767,468.48/222,220.20
  6. Step 6: Final answer
    x = 312,486.30

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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.