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Finding the Fourth Proportional to 269,090, 371,379.84 and 173,873.60

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Solution

The fourth proportional to 269,090, 371,379.84 and 173,873.60 is: 239,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,090 : 371,379.84 = 173,873.60 : x
  2. Step 2: Convert to fraction form
    269,090/371,379.84 = 173,873.60/x
  3. Step 3: Cross multiply
    269,090x = 371,379.84 × 173,873.60
  4. Step 4: Simplify right side
    269,090x = 64,573,149,748.22
  5. Step 5: Solve for x
    x = 64,573,149,748.22/269,090
  6. Step 6: Final answer
    x = 239,968.60

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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.