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Finding the Fourth Proportional to 308,804.03, 425,811.16 and 201,174.47

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Solution

The fourth proportional to 308,804.03, 425,811.16 and 201,174.47 is: 277,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,804.03 : 425,811.16 = 201,174.47 : x
  2. Step 2: Convert to fraction form
    308,804.03/425,811.16 = 201,174.47/x
  3. Step 3: Cross multiply
    308,804.03x = 425,811.16 × 201,174.47
  4. Step 4: Simplify right side
    308,804.03x = 85,662,334,433.09
  5. Step 5: Solve for x
    x = 85,662,334,433.09/308,804.03
  6. Step 6: Final answer
    x = 277,400.31

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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.