Home / 262,583.37-393,895.71-129,391.02

Finding the Fourth Proportional to 262,583.37, 393,895.71 and 129,391.02

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Solution

The fourth proportional to 262,583.37, 393,895.71 and 129,391.02 is: 194,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,583.37 : 393,895.71 = 129,391.02 : x
  2. Step 2: Convert to fraction form
    262,583.37/393,895.71 = 129,391.02/x
  3. Step 3: Cross multiply
    262,583.37x = 393,895.71 × 129,391.02
  4. Step 4: Simplify right side
    262,583.37x = 50,966,567,690.52
  5. Step 5: Solve for x
    x = 50,966,567,690.52/262,583.37
  6. Step 6: Final answer
    x = 194,096.71

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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.