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Finding the Fourth Proportional to 292,028.80, 437,956.80 and 114,433.60

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Solution

The fourth proportional to 292,028.80, 437,956.80 and 114,433.60 is: 171,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,028.80 : 437,956.80 = 114,433.60 : x
  2. Step 2: Convert to fraction form
    292,028.80/437,956.80 = 114,433.60/x
  3. Step 3: Cross multiply
    292,028.80x = 437,956.80 × 114,433.60
  4. Step 4: Simplify right side
    292,028.80x = 50,116,973,268.48
  5. Step 5: Solve for x
    x = 50,116,973,268.48/292,028.80
  6. Step 6: Final answer
    x = 171,616.54

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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.