Home / 268,223.43-402,344.87-81,230.07

Finding the Fourth Proportional to 268,223.43, 402,344.87 and 81,230.07

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Solution

The fourth proportional to 268,223.43, 402,344.87 and 81,230.07 is: 121,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,223.43 : 402,344.87 = 81,230.07 : x
  2. Step 2: Convert to fraction form
    268,223.43/402,344.87 = 81,230.07/x
  3. Step 3: Cross multiply
    268,223.43x = 402,344.87 × 81,230.07
  4. Step 4: Simplify right side
    268,223.43x = 32,682,501,954.24
  5. Step 5: Solve for x
    x = 32,682,501,954.24/268,223.43
  6. Step 6: Final answer
    x = 121,848.05

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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.