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Finding the Fourth Proportional to 456,181.77, 629,503.80 and 252,216.69

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Solution

The fourth proportional to 456,181.77, 629,503.80 and 252,216.69 is: 348,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,181.77 : 629,503.80 = 252,216.69 : x
  2. Step 2: Convert to fraction form
    456,181.77/629,503.80 = 252,216.69/x
  3. Step 3: Cross multiply
    456,181.77x = 629,503.80 × 252,216.69
  4. Step 4: Simplify right side
    456,181.77x = 158,771,362,890.69
  5. Step 5: Solve for x
    x = 158,771,362,890.69/456,181.77
  6. Step 6: Final answer
    x = 348,044.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.