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Finding the Fourth Proportional to 245,777.57, 368,708.40 and 112,669.26

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Solution

The fourth proportional to 245,777.57, 368,708.40 and 112,669.26 is: 169,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,777.57 : 368,708.40 = 112,669.26 : x
  2. Step 2: Convert to fraction form
    245,777.57/368,708.40 = 112,669.26/x
  3. Step 3: Cross multiply
    245,777.57x = 368,708.40 × 112,669.26
  4. Step 4: Simplify right side
    245,777.57x = 41,542,102,583.78
  5. Step 5: Solve for x
    x = 41,542,102,583.78/245,777.57
  6. Step 6: Final answer
    x = 169,023.17

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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.