Home / 248,414.40-342,811.78-135,237.12

Finding the Fourth Proportional to 248,414.40, 342,811.78 and 135,237.12

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Solution

The fourth proportional to 248,414.40, 342,811.78 and 135,237.12 is: 186,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,414.40 : 342,811.78 = 135,237.12 : x
  2. Step 2: Convert to fraction form
    248,414.40/342,811.78 = 135,237.12/x
  3. Step 3: Cross multiply
    248,414.40x = 342,811.78 × 135,237.12
  4. Step 4: Simplify right side
    248,414.40x = 46,360,877,829.27
  5. Step 5: Solve for x
    x = 46,360,877,829.27/248,414.40
  6. Step 6: Final answer
    x = 186,627.18

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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.