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Finding the Fourth Proportional to 366,125.48, 505,194.86 and 204,987.32

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Solution

The fourth proportional to 366,125.48, 505,194.86 and 204,987.32 is: 282,849.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,125.48 : 505,194.86 = 204,987.32 : x
  2. Step 2: Convert to fraction form
    366,125.48/505,194.86 = 204,987.32/x
  3. Step 3: Cross multiply
    366,125.48x = 505,194.86 × 204,987.32
  4. Step 4: Simplify right side
    366,125.48x = 103,558,538,415.67
  5. Step 5: Solve for x
    x = 103,558,538,415.67/366,125.48
  6. Step 6: Final answer
    x = 282,849.86

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1.5x scale

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.