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Finding the Fourth Proportional to 183,455.30, 275,231.55 and 65,114.30

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Solution

The fourth proportional to 183,455.30, 275,231.55 and 65,114.30 is: 97,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,455.30 : 275,231.55 = 65,114.30 : x
  2. Step 2: Convert to fraction form
    183,455.30/275,231.55 = 65,114.30/x
  3. Step 3: Cross multiply
    183,455.30x = 275,231.55 × 65,114.30
  4. Step 4: Simplify right side
    183,455.30x = 17,921,509,716.17
  5. Step 5: Solve for x
    x = 17,921,509,716.17/183,455.30
  6. Step 6: Final answer
    x = 97,688.70

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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.