Finding the Fourth Proportional to 352,631.08, 528,976.56 and 99,912.68
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Solution
The fourth proportional to 352,631.08, 528,976.56 and 99,912.68 is: 149,877.50
Step by Step Solution
- Step 1: Write the proportion equation
352,631.08 : 528,976.56 = 99,912.68 : x - Step 2: Convert to fraction form
352,631.08/528,976.56 = 99,912.68/x - Step 3: Cross multiply
352,631.08x = 528,976.56 × 99,912.68 - Step 4: Simplify right side
352,631.08x = 52,851,465,766.78 - Step 5: Solve for x
x = 52,851,465,766.78/352,631.08 - Step 6: Final answer
x = 149,877.50
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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.