Finding the Fourth Proportional to 145,425.70, 218,138.55 and 62,481.70
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Solution
The fourth proportional to 145,425.70, 218,138.55 and 62,481.70 is: 93,722.55
Step by Step Solution
- Step 1: Write the proportion equation
145,425.70 : 218,138.55 = 62,481.70 : x - Step 2: Convert to fraction form
145,425.70/218,138.55 = 62,481.70/x - Step 3: Cross multiply
145,425.70x = 218,138.55 × 62,481.70 - Step 4: Simplify right side
145,425.70x = 13,629,667,439.54 - Step 5: Solve for x
x = 13,629,667,439.54/145,425.70 - Step 6: Final answer
x = 93,722.55
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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.