Home / 248,474.36-342,895.20-135,304.40

Finding the Fourth Proportional to 248,474.36, 342,895.20 and 135,304.40

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Solution

The fourth proportional to 248,474.36, 342,895.20 and 135,304.40 is: 186,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,474.36 : 342,895.20 = 135,304.40 : x
  2. Step 2: Convert to fraction form
    248,474.36/342,895.20 = 135,304.40/x
  3. Step 3: Cross multiply
    248,474.36x = 342,895.20 × 135,304.40
  4. Step 4: Simplify right side
    248,474.36x = 46,395,229,298.88
  5. Step 5: Solve for x
    x = 46,395,229,298.88/248,474.36
  6. Step 6: Final answer
    x = 186,720.39

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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.