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Finding the Fourth Proportional to 248,341, 342,710.60 and 135,164.56

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Solution

The fourth proportional to 248,341, 342,710.60 and 135,164.56 is: 186,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,341 : 342,710.60 = 135,164.56 : x
  2. Step 2: Convert to fraction form
    248,341/342,710.60 = 135,164.56/x
  3. Step 3: Cross multiply
    248,341x = 342,710.60 × 135,164.56
  4. Step 4: Simplify right side
    248,341x = 46,322,327,456.34
  5. Step 5: Solve for x
    x = 46,322,327,456.34/248,341
  6. Step 6: Final answer
    x = 186,527.10

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1.5x scale

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.