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Finding the Fourth Proportional to 183,458.19, 275,228.60 and 65,129.34

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Solution

The fourth proportional to 183,458.19, 275,228.60 and 65,129.34 is: 97,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,458.19 : 275,228.60 = 65,129.34 : x
  2. Step 2: Convert to fraction form
    183,458.19/275,228.60 = 65,129.34/x
  3. Step 3: Cross multiply
    183,458.19x = 275,228.60 × 65,129.34
  4. Step 4: Simplify right side
    183,458.19x = 17,925,456,741.48
  5. Step 5: Solve for x
    x = 17,925,456,741.48/183,458.19
  6. Step 6: Final answer
    x = 97,708.68

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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.