Home / 395,628.24-545,967.10-214,341.42

Finding the Fourth Proportional to 395,628.24, 545,967.10 and 214,341.42

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Solution

The fourth proportional to 395,628.24, 545,967.10 and 214,341.42 is: 295,791.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,628.24 : 545,967.10 = 214,341.42 : x
  2. Step 2: Convert to fraction form
    395,628.24/545,967.10 = 214,341.42/x
  3. Step 3: Cross multiply
    395,628.24x = 545,967.10 × 214,341.42
  4. Step 4: Simplify right side
    395,628.24x = 117,023,363,487.28
  5. Step 5: Solve for x
    x = 117,023,363,487.28/395,628.24
  6. Step 6: Final answer
    x = 295,791.23

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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.