Home / 315,261.60-472,777.20-104,906.40

Finding the Fourth Proportional to 315,261.60, 472,777.20 and 104,906.40

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Solution

The fourth proportional to 315,261.60, 472,777.20 and 104,906.40 is: 157,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,261.60 : 472,777.20 = 104,906.40 : x
  2. Step 2: Convert to fraction form
    315,261.60/472,777.20 = 104,906.40/x
  3. Step 3: Cross multiply
    315,261.60x = 472,777.20 × 104,906.40
  4. Step 4: Simplify right side
    315,261.60x = 49,597,354,054.08
  5. Step 5: Solve for x
    x = 49,597,354,054.08/315,261.60
  6. Step 6: Final answer
    x = 157,321.27

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1.5x scale

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.