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Finding the Fourth Proportional to 452,028.44, 678,020.70 and 167,774.42

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Solution

The fourth proportional to 452,028.44, 678,020.70 and 167,774.42 is: 251,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,028.44 : 678,020.70 = 167,774.42 : x
  2. Step 2: Convert to fraction form
    452,028.44/678,020.70 = 167,774.42/x
  3. Step 3: Cross multiply
    452,028.44x = 678,020.70 × 167,774.42
  4. Step 4: Simplify right side
    452,028.44x = 113,754,529,690.49
  5. Step 5: Solve for x
    x = 113,754,529,690.49/452,028.44
  6. Step 6: Final answer
    x = 251,653.48

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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.