Home / 229,267.05-343,919-87,180.29

Finding the Fourth Proportional to 229,267.05, 343,919 and 87,180.29

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Solution

The fourth proportional to 229,267.05, 343,919 and 87,180.29 is: 130,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,267.05 : 343,919 = 87,180.29 : x
  2. Step 2: Convert to fraction form
    229,267.05/343,919 = 87,180.29/x
  3. Step 3: Cross multiply
    229,267.05x = 343,919 × 87,180.29
  4. Step 4: Simplify right side
    229,267.05x = 29,982,958,156.51
  5. Step 5: Solve for x
    x = 29,982,958,156.51/229,267.05
  6. Step 6: Final answer
    x = 130,777.44

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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.