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Finding the Fourth Proportional to 183,730.40, 275,530.80 and 65,405.60

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Solution

The fourth proportional to 183,730.40, 275,530.80 and 65,405.60 is: 98,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,730.40 : 275,530.80 = 65,405.60 : x
  2. Step 2: Convert to fraction form
    183,730.40/275,530.80 = 65,405.60/x
  3. Step 3: Cross multiply
    183,730.40x = 275,530.80 × 65,405.60
  4. Step 4: Simplify right side
    183,730.40x = 18,021,257,292.48
  5. Step 5: Solve for x
    x = 18,021,257,292.48/183,730.40
  6. Step 6: Final answer
    x = 98,085.33

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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.