Finding the Fourth Proportional to 165,202.05, 227,971.47 and 93,580.62
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Solution
The fourth proportional to 165,202.05, 227,971.47 and 93,580.62 is: 129,137.09
Step by Step Solution
- Step 1: Write the proportion equation
165,202.05 : 227,971.47 = 93,580.62 : x - Step 2: Convert to fraction form
165,202.05/227,971.47 = 93,580.62/x - Step 3: Cross multiply
165,202.05x = 227,971.47 × 93,580.62 - Step 4: Simplify right side
165,202.05x = 21,333,711,504.91 - Step 5: Solve for x
x = 21,333,711,504.91/165,202.05 - Step 6: Final answer
x = 129,137.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.