Home / 248,728.72-343,301.04-158,067.01

Finding the Fourth Proportional to 248,728.72, 343,301.04 and 158,067.01

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Solution

The fourth proportional to 248,728.72, 343,301.04 and 158,067.01 is: 218,167.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,728.72 : 343,301.04 = 158,067.01 : x
  2. Step 2: Convert to fraction form
    248,728.72/343,301.04 = 158,067.01/x
  3. Step 3: Cross multiply
    248,728.72x = 343,301.04 × 158,067.01
  4. Step 4: Simplify right side
    248,728.72x = 54,264,566,415.85
  5. Step 5: Solve for x
    x = 54,264,566,415.85/248,728.72
  6. Step 6: Final answer
    x = 218,167.67

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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.