Home / 395,327.65-545,551.43-214,039.55

Finding the Fourth Proportional to 395,327.65, 545,551.43 and 214,039.55

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Solution

The fourth proportional to 395,327.65, 545,551.43 and 214,039.55 is: 295,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,327.65 : 545,551.43 = 214,039.55 : x
  2. Step 2: Convert to fraction form
    395,327.65/545,551.43 = 214,039.55/x
  3. Step 3: Cross multiply
    395,327.65x = 545,551.43 × 214,039.55
  4. Step 4: Simplify right side
    395,327.65x = 116,769,580,406.00
  5. Step 5: Solve for x
    x = 116,769,580,406.00/395,327.65
  6. Step 6: Final answer
    x = 295,374.18

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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.