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Finding the Fourth Proportional to 325,037.88, 487,469.46 and 114,648.12

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Solution

The fourth proportional to 325,037.88, 487,469.46 and 114,648.12 is: 171,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,037.88 : 487,469.46 = 114,648.12 : x
  2. Step 2: Convert to fraction form
    325,037.88/487,469.46 = 114,648.12/x
  3. Step 3: Cross multiply
    325,037.88x = 487,469.46 × 114,648.12
  4. Step 4: Simplify right side
    325,037.88x = 55,887,457,146.42
  5. Step 5: Solve for x
    x = 55,887,457,146.42/325,037.88
  6. Step 6: Final answer
    x = 171,941.37

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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.