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Finding the Fourth Proportional to 482,852.36, 666,418.72 and 278,866.62

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Solution

The fourth proportional to 482,852.36, 666,418.72 and 278,866.62 is: 384,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,852.36 : 666,418.72 = 278,866.62 : x
  2. Step 2: Convert to fraction form
    482,852.36/666,418.72 = 278,866.62/x
  3. Step 3: Cross multiply
    482,852.36x = 666,418.72 × 278,866.62
  4. Step 4: Simplify right side
    482,852.36x = 185,841,933,277.77
  5. Step 5: Solve for x
    x = 185,841,933,277.77/482,852.36
  6. Step 6: Final answer
    x = 384,883.56

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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.