Finding the Fourth Proportional to 118,524.52, 177,795.94 and 39,639.08
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Solution
The fourth proportional to 118,524.52, 177,795.94 and 39,639.08 is: 59,461.68
Step by Step Solution
- Step 1: Write the proportion equation
118,524.52 : 177,795.94 = 39,639.08 : x - Step 2: Convert to fraction form
118,524.52/177,795.94 = 39,639.08/x - Step 3: Cross multiply
118,524.52x = 177,795.94 × 39,639.08 - Step 4: Simplify right side
118,524.52x = 7,047,667,489.34 - Step 5: Solve for x
x = 7,047,667,489.34/118,524.52 - Step 6: Final answer
x = 59,461.68
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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.