Home / 395,445.03-545,707.39-214,155.49

Finding the Fourth Proportional to 395,445.03, 545,707.39 and 214,155.49

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Solution

The fourth proportional to 395,445.03, 545,707.39 and 214,155.49 is: 295,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,445.03 : 545,707.39 = 214,155.49 : x
  2. Step 2: Convert to fraction form
    395,445.03/545,707.39 = 214,155.49/x
  3. Step 3: Cross multiply
    395,445.03x = 545,707.39 × 214,155.49
  4. Step 4: Simplify right side
    395,445.03x = 116,866,230,773.53
  5. Step 5: Solve for x
    x = 116,866,230,773.53/395,445.03
  6. Step 6: Final answer
    x = 295,530.92

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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.