Home / 248,802.47-343,136.13-210,229.28

Finding the Fourth Proportional to 248,802.47, 343,136.13 and 210,229.28

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Solution

The fourth proportional to 248,802.47, 343,136.13 and 210,229.28 is: 289,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,802.47 : 343,136.13 = 210,229.28 : x
  2. Step 2: Convert to fraction form
    248,802.47/343,136.13 = 210,229.28/x
  3. Step 3: Cross multiply
    248,802.47x = 343,136.13 × 210,229.28
  4. Step 4: Simplify right side
    248,802.47x = 72,137,261,551.89
  5. Step 5: Solve for x
    x = 72,137,261,551.89/248,802.47
  6. Step 6: Final answer
    x = 289,937.88

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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.