Finding the Fourth Proportional to 306,035.48, 422,331.30 and 170,082.18
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Solution
The fourth proportional to 306,035.48, 422,331.30 and 170,082.18 is: 234,714.71
Step by Step Solution
- Step 1: Write the proportion equation
306,035.48 : 422,331.30 = 170,082.18 : x - Step 2: Convert to fraction form
306,035.48/422,331.30 = 170,082.18/x - Step 3: Cross multiply
306,035.48x = 422,331.30 × 170,082.18 - Step 4: Simplify right side
306,035.48x = 71,831,028,186.23 - Step 5: Solve for x
x = 71,831,028,186.23/306,035.48 - Step 6: Final answer
x = 234,714.71
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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.