Home / 248,392.28-342,772.62-135,212.60

Finding the Fourth Proportional to 248,392.28, 342,772.62 and 135,212.60

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Solution

The fourth proportional to 248,392.28, 342,772.62 and 135,212.60 is: 186,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,392.28 : 342,772.62 = 135,212.60 : x
  2. Step 2: Convert to fraction form
    248,392.28/342,772.62 = 135,212.60/x
  3. Step 3: Cross multiply
    248,392.28x = 342,772.62 × 135,212.60
  4. Step 4: Simplify right side
    248,392.28x = 46,347,177,159.01
  5. Step 5: Solve for x
    x = 46,347,177,159.01/248,392.28
  6. Step 6: Final answer
    x = 186,588.64

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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.