Home / 248,631.60-372,947.40-178,647.60

Finding the Fourth Proportional to 248,631.60, 372,947.40 and 178,647.60

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Solution

The fourth proportional to 248,631.60, 372,947.40 and 178,647.60 is: 267,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,631.60 : 372,947.40 = 178,647.60 : x
  2. Step 2: Convert to fraction form
    248,631.60/372,947.40 = 178,647.60/x
  3. Step 3: Cross multiply
    248,631.60x = 372,947.40 × 178,647.60
  4. Step 4: Simplify right side
    248,631.60x = 66,626,157,936.24
  5. Step 5: Solve for x
    x = 66,626,157,936.24/248,631.60
  6. Step 6: Final answer
    x = 267,971.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.