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Finding the Fourth Proportional to 183,615.82, 275,340.60 and 65,290.28

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Solution

The fourth proportional to 183,615.82, 275,340.60 and 65,290.28 is: 97,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,615.82 : 275,340.60 = 65,290.28 : x
  2. Step 2: Convert to fraction form
    183,615.82/275,340.60 = 65,290.28/x
  3. Step 3: Cross multiply
    183,615.82x = 275,340.60 × 65,290.28
  4. Step 4: Simplify right side
    183,615.82x = 17,977,064,869.37
  5. Step 5: Solve for x
    x = 17,977,064,869.37/183,615.82
  6. Step 6: Final answer
    x = 97,905.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.