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Finding the Fourth Proportional to 291,974.41, 437,825.53 and 151,695.37

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Solution

The fourth proportional to 291,974.41, 437,825.53 and 151,695.37 is: 227,472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,974.41 : 437,825.53 = 151,695.37 : x
  2. Step 2: Convert to fraction form
    291,974.41/437,825.53 = 151,695.37/x
  3. Step 3: Cross multiply
    291,974.41x = 437,825.53 × 151,695.37
  4. Step 4: Simplify right side
    291,974.41x = 66,416,105,768.80
  5. Step 5: Solve for x
    x = 66,416,105,768.80/291,974.41
  6. Step 6: Final answer
    x = 227,472.35

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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.