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Finding the Fourth Proportional to 365,659.49, 504,703.99 and 222,520.34

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Solution

The fourth proportional to 365,659.49, 504,703.99 and 222,520.34 is: 307,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,659.49 : 504,703.99 = 222,520.34 : x
  2. Step 2: Convert to fraction form
    365,659.49/504,703.99 = 222,520.34/x
  3. Step 3: Cross multiply
    365,659.49x = 504,703.99 × 222,520.34
  4. Step 4: Simplify right side
    365,659.49x = 112,306,903,454.16
  5. Step 5: Solve for x
    x = 112,306,903,454.16/365,659.49
  6. Step 6: Final answer
    x = 307,135.21

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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.