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Finding the Fourth Proportional to 340,394.84, 469,748.37 and 187,447.26

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Solution

The fourth proportional to 340,394.84, 469,748.37 and 187,447.26 is: 258,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,394.84 : 469,748.37 = 187,447.26 : x
  2. Step 2: Convert to fraction form
    340,394.84/469,748.37 = 187,447.26/x
  3. Step 3: Cross multiply
    340,394.84x = 469,748.37 × 187,447.26
  4. Step 4: Simplify right side
    340,394.84x = 88,053,044,845.97
  5. Step 5: Solve for x
    x = 88,053,044,845.97/340,394.84
  6. Step 6: Final answer
    x = 258,679.14

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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.