Home / 442,729.78-610,964.23-251,743.17

Finding the Fourth Proportional to 442,729.78, 610,964.23 and 251,743.17

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Solution

The fourth proportional to 442,729.78, 610,964.23 and 251,743.17 is: 347,403.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,729.78 : 610,964.23 = 251,743.17 : x
  2. Step 2: Convert to fraction form
    442,729.78/610,964.23 = 251,743.17/x
  3. Step 3: Cross multiply
    442,729.78x = 610,964.23 × 251,743.17
  4. Step 4: Simplify right side
    442,729.78x = 153,806,072,016.81
  5. Step 5: Solve for x
    x = 153,806,072,016.81/442,729.78
  6. Step 6: Final answer
    x = 347,403.94

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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.