Home / 248,880.96-343,456.07-135,703.71

Finding the Fourth Proportional to 248,880.96, 343,456.07 and 135,703.71

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Solution

The fourth proportional to 248,880.96, 343,456.07 and 135,703.71 is: 187,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,880.96 : 343,456.07 = 135,703.71 : x
  2. Step 2: Convert to fraction form
    248,880.96/343,456.07 = 135,703.71/x
  3. Step 3: Cross multiply
    248,880.96x = 343,456.07 × 135,703.71
  4. Step 4: Simplify right side
    248,880.96x = 46,608,262,242.50
  5. Step 5: Solve for x
    x = 46,608,262,242.50/248,880.96
  6. Step 6: Final answer
    x = 187,271.31

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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.