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Finding the Fourth Proportional to 185,835.60, 256,424.40 and 109,393.20

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Solution

The fourth proportional to 185,835.60, 256,424.40 and 109,393.20 is: 150,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,835.60 : 256,424.40 = 109,393.20 : x
  2. Step 2: Convert to fraction form
    185,835.60/256,424.40 = 109,393.20/x
  3. Step 3: Cross multiply
    185,835.60x = 256,424.40 × 109,393.20
  4. Step 4: Simplify right side
    185,835.60x = 28,051,085,674.08
  5. Step 5: Solve for x
    x = 28,051,085,674.08/185,835.60
  6. Step 6: Final answer
    x = 150,945.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.