Finding the Fourth Proportional to 498,011.82, 687,258.48 and 271,662.18
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Solution
The fourth proportional to 498,011.82, 687,258.48 and 271,662.18 is: 374,894.99
Step by Step Solution
- Step 1: Write the proportion equation
498,011.82 : 687,258.48 = 271,662.18 : x - Step 2: Convert to fraction form
498,011.82/687,258.48 = 271,662.18/x - Step 3: Cross multiply
498,011.82x = 687,258.48 × 271,662.18 - Step 4: Simplify right side
498,011.82x = 186,702,136,900.29 - Step 5: Solve for x
x = 186,702,136,900.29/498,011.82 - Step 6: Final answer
x = 374,894.99
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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.