Home / 215,047.60-322,795.48-210,223

Finding the Fourth Proportional to 215,047.60, 322,795.48 and 210,223

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Solution

The fourth proportional to 215,047.60, 322,795.48 and 210,223 is: 315,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,047.60 : 322,795.48 = 210,223 : x
  2. Step 2: Convert to fraction form
    215,047.60/322,795.48 = 210,223/x
  3. Step 3: Cross multiply
    215,047.60x = 322,795.48 × 210,223
  4. Step 4: Simplify right side
    215,047.60x = 67,859,034,192.04
  5. Step 5: Solve for x
    x = 67,859,034,192.04/215,047.60
  6. Step 6: Final answer
    x = 315,553.55

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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.