Home / 361,973.25-499,536.44-218,705.61

Finding the Fourth Proportional to 361,973.25, 499,536.44 and 218,705.61

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Solution

The fourth proportional to 361,973.25, 499,536.44 and 218,705.61 is: 301,821.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,973.25 : 499,536.44 = 218,705.61 : x
  2. Step 2: Convert to fraction form
    361,973.25/499,536.44 = 218,705.61/x
  3. Step 3: Cross multiply
    361,973.25x = 499,536.44 × 218,705.61
  4. Step 4: Simplify right side
    361,973.25x = 109,251,421,827.43
  5. Step 5: Solve for x
    x = 109,251,421,827.43/361,973.25
  6. Step 6: Final answer
    x = 301,821.81

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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.