Home / 237,279.60-355,804.20-131,986.80

Finding the Fourth Proportional to 237,279.60, 355,804.20 and 131,986.80

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Solution

The fourth proportional to 237,279.60, 355,804.20 and 131,986.80 is: 197,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,279.60 : 355,804.20 = 131,986.80 : x
  2. Step 2: Convert to fraction form
    237,279.60/355,804.20 = 131,986.80/x
  3. Step 3: Cross multiply
    237,279.60x = 355,804.20 × 131,986.80
  4. Step 4: Simplify right side
    237,279.60x = 46,961,457,784.56
  5. Step 5: Solve for x
    x = 46,961,457,784.56/237,279.60
  6. Step 6: Final answer
    x = 197,916.12

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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.