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Finding the Fourth Proportional to 183,461.40, 275,192.10 and 165,090.60

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Solution

The fourth proportional to 183,461.40, 275,192.10 and 165,090.60 is: 247,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,461.40 : 275,192.10 = 165,090.60 : x
  2. Step 2: Convert to fraction form
    183,461.40/275,192.10 = 165,090.60/x
  3. Step 3: Cross multiply
    183,461.40x = 275,192.10 × 165,090.60
  4. Step 4: Simplify right side
    183,461.40x = 45,431,628,904.26
  5. Step 5: Solve for x
    x = 45,431,628,904.26/183,461.40
  6. Step 6: Final answer
    x = 247,635.90

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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.