Home / 276,890.40-382,093.20-163,749.60

Finding the Fourth Proportional to 276,890.40, 382,093.20 and 163,749.60

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Solution

The fourth proportional to 276,890.40, 382,093.20 and 163,749.60 is: 225,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,890.40 : 382,093.20 = 163,749.60 : x
  2. Step 2: Convert to fraction form
    276,890.40/382,093.20 = 163,749.60/x
  3. Step 3: Cross multiply
    276,890.40x = 382,093.20 × 163,749.60
  4. Step 4: Simplify right side
    276,890.40x = 62,567,608,662.72
  5. Step 5: Solve for x
    x = 62,567,608,662.72/276,890.40
  6. Step 6: Final answer
    x = 225,965.25

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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.