Home / 248,728.22-343,300.34-158,066.51

Finding the Fourth Proportional to 248,728.22, 343,300.34 and 158,066.51

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Solution

The fourth proportional to 248,728.22, 343,300.34 and 158,066.51 is: 218,166.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,728.22 : 343,300.34 = 158,066.51 : x
  2. Step 2: Convert to fraction form
    248,728.22/343,300.34 = 158,066.51/x
  3. Step 3: Cross multiply
    248,728.22x = 343,300.34 × 158,066.51
  4. Step 4: Simplify right side
    248,728.22x = 54,264,285,304.28
  5. Step 5: Solve for x
    x = 54,264,285,304.28/248,728.22
  6. Step 6: Final answer
    x = 218,166.98

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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.