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Finding the Fourth Proportional to 241,423.70, 362,135.55 and 191,657.30

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Solution

The fourth proportional to 241,423.70, 362,135.55 and 191,657.30 is: 287,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,423.70 : 362,135.55 = 191,657.30 : x
  2. Step 2: Convert to fraction form
    241,423.70/362,135.55 = 191,657.30/x
  3. Step 3: Cross multiply
    241,423.70x = 362,135.55 × 191,657.30
  4. Step 4: Simplify right side
    241,423.70x = 69,405,921,747.02
  5. Step 5: Solve for x
    x = 69,405,921,747.02/241,423.70
  6. Step 6: Final answer
    x = 287,485.95

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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.