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Finding the Fourth Proportional to 456,277.92, 629,652.60 and 265,357.68

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Solution

The fourth proportional to 456,277.92, 629,652.60 and 265,357.68 is: 366,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,277.92 : 629,652.60 = 265,357.68 : x
  2. Step 2: Convert to fraction form
    456,277.92/629,652.60 = 265,357.68/x
  3. Step 3: Cross multiply
    456,277.92x = 629,652.60 × 265,357.68
  4. Step 4: Simplify right side
    456,277.92x = 167,083,153,141.97
  5. Step 5: Solve for x
    x = 167,083,153,141.97/456,277.92
  6. Step 6: Final answer
    x = 366,187.24

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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.