Finding the Fourth Proportional to 235,220.10, 352,684.35 and 135,330.90
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Solution
The fourth proportional to 235,220.10, 352,684.35 and 135,330.90 is: 202,912.47
Step by Step Solution
- Step 1: Write the proportion equation
235,220.10 : 352,684.35 = 135,330.90 : x - Step 2: Convert to fraction form
235,220.10/352,684.35 = 135,330.90/x - Step 3: Cross multiply
235,220.10x = 352,684.35 × 135,330.90 - Step 4: Simplify right side
235,220.10x = 47,729,090,501.42 - Step 5: Solve for x
x = 47,729,090,501.42/235,220.10 - Step 6: Final answer
x = 202,912.47
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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.