Home / 248,468.88-342,885.60-135,291.36

Finding the Fourth Proportional to 248,468.88, 342,885.60 and 135,291.36

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Solution

The fourth proportional to 248,468.88, 342,885.60 and 135,291.36 is: 186,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,468.88 : 342,885.60 = 135,291.36 : x
  2. Step 2: Convert to fraction form
    248,468.88/342,885.60 = 135,291.36/x
  3. Step 3: Cross multiply
    248,468.88x = 342,885.60 × 135,291.36
  4. Step 4: Simplify right side
    248,468.88x = 46,389,459,148.42
  5. Step 5: Solve for x
    x = 46,389,459,148.42/248,468.88
  6. Step 6: Final answer
    x = 186,701.28

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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.