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Finding the Fourth Proportional to 373,289.31, 559,933.56 and 92,806.56

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Solution

The fourth proportional to 373,289.31, 559,933.56 and 92,806.56 is: 139,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,289.31 : 559,933.56 = 92,806.56 : x
  2. Step 2: Convert to fraction form
    373,289.31/559,933.56 = 92,806.56/x
  3. Step 3: Cross multiply
    373,289.31x = 559,933.56 × 92,806.56
  4. Step 4: Simplify right side
    373,289.31x = 51,965,507,532.15
  5. Step 5: Solve for x
    x = 51,965,507,532.15/373,289.31
  6. Step 6: Final answer
    x = 139,209.74

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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.