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Finding the Fourth Proportional to 290,750.58, 436,184.46 and 103,757.22

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Solution

The fourth proportional to 290,750.58, 436,184.46 and 103,757.22 is: 155,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,750.58 : 436,184.46 = 103,757.22 : x
  2. Step 2: Convert to fraction form
    290,750.58/436,184.46 = 103,757.22/x
  3. Step 3: Cross multiply
    290,750.58x = 436,184.46 × 103,757.22
  4. Step 4: Simplify right side
    290,750.58x = 45,257,286,976.80
  5. Step 5: Solve for x
    x = 45,257,286,976.80/290,750.58
  6. Step 6: Final answer
    x = 155,656.74

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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.