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Finding the Fourth Proportional to 297,187, 409,809.79 and 254,308.43

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Solution

The fourth proportional to 297,187, 409,809.79 and 254,308.43 is: 350,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,187 : 409,809.79 = 254,308.43 : x
  2. Step 2: Convert to fraction form
    297,187/409,809.79 = 254,308.43/x
  3. Step 3: Cross multiply
    297,187x = 409,809.79 × 254,308.43
  4. Step 4: Simplify right side
    297,187x = 104,218,084,293.53
  5. Step 5: Solve for x
    x = 104,218,084,293.53/297,187
  6. Step 6: Final answer
    x = 350,681.84

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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.