Finding the Fourth Proportional to 97,552.80, 146,241.60 and 38,428.80
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Solution
The fourth proportional to 97,552.80, 146,241.60 and 38,428.80 is: 57,608.69
Step by Step Solution
- Step 1: Write the proportion equation
97,552.80 : 146,241.60 = 38,428.80 : x - Step 2: Convert to fraction form
97,552.80/146,241.60 = 38,428.80/x - Step 3: Cross multiply
97,552.80x = 146,241.60 × 38,428.80 - Step 4: Simplify right side
97,552.80x = 5,619,889,198.08 - Step 5: Solve for x
x = 5,619,889,198.08/97,552.80 - Step 6: Final answer
x = 57,608.69
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1.5x scale
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.