Home / 228,860.50-343,342.67-81,116.50

Finding the Fourth Proportional to 228,860.50, 343,342.67 and 81,116.50

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Solution

The fourth proportional to 228,860.50, 343,342.67 and 81,116.50 is: 121,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,860.50 : 343,342.67 = 81,116.50 : x
  2. Step 2: Convert to fraction form
    228,860.50/343,342.67 = 81,116.50/x
  3. Step 3: Cross multiply
    228,860.50x = 343,342.67 × 81,116.50
  4. Step 4: Simplify right side
    228,860.50x = 27,850,755,691.06
  5. Step 5: Solve for x
    x = 27,850,755,691.06/228,860.50
  6. Step 6: Final answer
    x = 121,693.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.