Home / 395,318.12-545,539.32-214,030.17

Finding the Fourth Proportional to 395,318.12, 545,539.32 and 214,030.17

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Solution

The fourth proportional to 395,318.12, 545,539.32 and 214,030.17 is: 295,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,318.12 : 545,539.32 = 214,030.17 : x
  2. Step 2: Convert to fraction form
    395,318.12/545,539.32 = 214,030.17/x
  3. Step 3: Cross multiply
    395,318.12x = 545,539.32 × 214,030.17
  4. Step 4: Simplify right side
    395,318.12x = 116,761,873,401.28
  5. Step 5: Solve for x
    x = 116,761,873,401.28/395,318.12
  6. Step 6: Final answer
    x = 295,361.81

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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.