Home / 395,309.48-545,527.26-214,021.44

Finding the Fourth Proportional to 395,309.48, 545,527.26 and 214,021.44

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Solution

The fourth proportional to 395,309.48, 545,527.26 and 214,021.44 is: 295,349.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,309.48 : 545,527.26 = 214,021.44 : x
  2. Step 2: Convert to fraction form
    395,309.48/545,527.26 = 214,021.44/x
  3. Step 3: Cross multiply
    395,309.48x = 545,527.26 × 214,021.44
  4. Step 4: Simplify right side
    395,309.48x = 116,754,529,744.45
  5. Step 5: Solve for x
    x = 116,754,529,744.45/395,309.48
  6. Step 6: Final answer
    x = 295,349.69

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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.