Home / 442,721.47-610,952.77-251,734.84

Finding the Fourth Proportional to 442,721.47, 610,952.77 and 251,734.84

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Solution

The fourth proportional to 442,721.47, 610,952.77 and 251,734.84 is: 347,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,721.47 : 610,952.77 = 251,734.84 : x
  2. Step 2: Convert to fraction form
    442,721.47/610,952.77 = 251,734.84/x
  3. Step 3: Cross multiply
    442,721.47x = 610,952.77 × 251,734.84
  4. Step 4: Simplify right side
    442,721.47x = 153,798,097,803.51
  5. Step 5: Solve for x
    x = 153,798,097,803.51/442,721.47
  6. Step 6: Final answer
    x = 347,392.45

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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.