Home / 442,721.09-610,952.25-251,734.47

Finding the Fourth Proportional to 442,721.09, 610,952.25 and 251,734.47

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Solution

The fourth proportional to 442,721.09, 610,952.25 and 251,734.47 is: 347,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,721.09 : 610,952.25 = 251,734.47 : x
  2. Step 2: Convert to fraction form
    442,721.09/610,952.25 = 251,734.47/x
  3. Step 3: Cross multiply
    442,721.09x = 610,952.25 × 251,734.47
  4. Step 4: Simplify right side
    442,721.09x = 153,797,739,501.99
  5. Step 5: Solve for x
    x = 153,797,739,501.99/442,721.09
  6. Step 6: Final answer
    x = 347,391.94

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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.