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Finding the Fourth Proportional to 301,146, 451,116.74 and 181,136.70

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Solution

The fourth proportional to 301,146, 451,116.74 and 181,136.70 is: 271,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,146 : 451,116.74 = 181,136.70 : x
  2. Step 2: Convert to fraction form
    301,146/451,116.74 = 181,136.70/x
  3. Step 3: Cross multiply
    301,146x = 451,116.74 × 181,136.70
  4. Step 4: Simplify right side
    301,146x = 81,713,797,598.36
  5. Step 5: Solve for x
    x = 81,713,797,598.36/301,146
  6. Step 6: Final answer
    x = 271,342.80

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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.