Finding the Fourth Proportional to 135,964.70, 203,947.05 and 115,844.30
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Solution
The fourth proportional to 135,964.70, 203,947.05 and 115,844.30 is: 173,766.45
Step by Step Solution
- Step 1: Write the proportion equation
135,964.70 : 203,947.05 = 115,844.30 : x - Step 2: Convert to fraction form
135,964.70/203,947.05 = 115,844.30/x - Step 3: Cross multiply
135,964.70x = 203,947.05 × 115,844.30 - Step 4: Simplify right side
135,964.70x = 23,626,103,244.32 - Step 5: Solve for x
x = 23,626,103,244.32/135,964.70 - Step 6: Final answer
x = 173,766.45
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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.