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Finding the Fourth Proportional to 456,115.77, 629,539.69 and 265,239.27

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Solution

The fourth proportional to 456,115.77, 629,539.69 and 265,239.27 is: 366,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,115.77 : 629,539.69 = 265,239.27 : x
  2. Step 2: Convert to fraction form
    456,115.77/629,539.69 = 265,239.27/x
  3. Step 3: Cross multiply
    456,115.77x = 629,539.69 × 265,239.27
  4. Step 4: Simplify right side
    456,115.77x = 166,978,650,503.95
  5. Step 5: Solve for x
    x = 166,978,650,503.95/456,115.77
  6. Step 6: Final answer
    x = 366,088.31

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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.