Home / 279,111.24-418,670.10-265,498.26

Finding the Fourth Proportional to 279,111.24, 418,670.10 and 265,498.26

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Solution

The fourth proportional to 279,111.24, 418,670.10 and 265,498.26 is: 398,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,111.24 : 418,670.10 = 265,498.26 : x
  2. Step 2: Convert to fraction form
    279,111.24/418,670.10 = 265,498.26/x
  3. Step 3: Cross multiply
    279,111.24x = 418,670.10 × 265,498.26
  4. Step 4: Simplify right side
    279,111.24x = 111,156,183,064.03
  5. Step 5: Solve for x
    x = 111,156,183,064.03/279,111.24
  6. Step 6: Final answer
    x = 398,250.47

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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.