Home / 291,135.88-436,444.10-113,601.60

Finding the Fourth Proportional to 291,135.88, 436,444.10 and 113,601.60

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Solution

The fourth proportional to 291,135.88, 436,444.10 and 113,601.60 is: 170,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,135.88 : 436,444.10 = 113,601.60 : x
  2. Step 2: Convert to fraction form
    291,135.88/436,444.10 = 113,601.60/x
  3. Step 3: Cross multiply
    291,135.88x = 436,444.10 × 113,601.60
  4. Step 4: Simplify right side
    291,135.88x = 49,580,747,928.56
  5. Step 5: Solve for x
    x = 49,580,747,928.56/291,135.88
  6. Step 6: Final answer
    x = 170,301.06

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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.