Home / 248,730.24-343,239.04-135,550.72

Finding the Fourth Proportional to 248,730.24, 343,239.04 and 135,550.72

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Solution

The fourth proportional to 248,730.24, 343,239.04 and 135,550.72 is: 187,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,730.24 : 343,239.04 = 135,550.72 : x
  2. Step 2: Convert to fraction form
    248,730.24/343,239.04 = 135,550.72/x
  3. Step 3: Cross multiply
    248,730.24x = 343,239.04 × 135,550.72
  4. Step 4: Simplify right side
    248,730.24x = 46,526,299,004.11
  5. Step 5: Solve for x
    x = 46,526,299,004.11/248,730.24
  6. Step 6: Final answer
    x = 187,055.26

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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.