Home / 438,566.50-605,236.44-268,767.82

Finding the Fourth Proportional to 438,566.50, 605,236.44 and 268,767.82

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Solution

The fourth proportional to 438,566.50, 605,236.44 and 268,767.82 is: 370,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,566.50 : 605,236.44 = 268,767.82 : x
  2. Step 2: Convert to fraction form
    438,566.50/605,236.44 = 268,767.82/x
  3. Step 3: Cross multiply
    438,566.50x = 605,236.44 × 268,767.82
  4. Step 4: Simplify right side
    438,566.50x = 162,668,078,563.36
  5. Step 5: Solve for x
    x = 162,668,078,563.36/438,566.50
  6. Step 6: Final answer
    x = 370,908.58

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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.