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Finding the Fourth Proportional to 325,697.28, 487,824.12 and 250,262.16

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Solution

The fourth proportional to 325,697.28, 487,824.12 and 250,262.16 is: 374,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,697.28 : 487,824.12 = 250,262.16 : x
  2. Step 2: Convert to fraction form
    325,697.28/487,824.12 = 250,262.16/x
  3. Step 3: Cross multiply
    325,697.28x = 487,824.12 × 250,262.16
  4. Step 4: Simplify right side
    325,697.28x = 122,083,917,971.30
  5. Step 5: Solve for x
    x = 122,083,917,971.30/325,697.28
  6. Step 6: Final answer
    x = 374,838.62

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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.