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Finding the Fourth Proportional to 325,324.16, 487,652.16 and 184,782.72

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Solution

The fourth proportional to 325,324.16, 487,652.16 and 184,782.72 is: 276,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,324.16 : 487,652.16 = 184,782.72 : x
  2. Step 2: Convert to fraction form
    325,324.16/487,652.16 = 184,782.72/x
  3. Step 3: Cross multiply
    325,324.16x = 487,652.16 × 184,782.72
  4. Step 4: Simplify right side
    325,324.16x = 90,109,692,538.68
  5. Step 5: Solve for x
    x = 90,109,692,538.68/325,324.16
  6. Step 6: Final answer
    x = 276,984.32

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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.