Finding the Fourth Proportional to 271,606.84, 374,863.84 and 156,864.87
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Solution
The fourth proportional to 271,606.84, 374,863.84 and 156,864.87 is: 216,500.32
Step by Step Solution
- Step 1: Write the proportion equation
271,606.84 : 374,863.84 = 156,864.87 : x - Step 2: Convert to fraction form
271,606.84/374,863.84 = 156,864.87/x - Step 3: Cross multiply
271,606.84x = 374,863.84 × 156,864.87 - Step 4: Simplify right side
271,606.84x = 58,802,967,137.14 - Step 5: Solve for x
x = 58,802,967,137.14/271,606.84 - Step 6: Final answer
x = 216,500.32
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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.