Finding the Fourth Proportional to 271,421.30, 374,554.16 and 156,696.08
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Solution
The fourth proportional to 271,421.30, 374,554.16 and 156,696.08 is: 216,236.41
Step by Step Solution
- Step 1: Write the proportion equation
271,421.30 : 374,554.16 = 156,696.08 : x - Step 2: Convert to fraction form
271,421.30/374,554.16 = 156,696.08/x - Step 3: Cross multiply
271,421.30x = 374,554.16 × 156,696.08 - Step 4: Simplify right side
271,421.30x = 58,691,167,836.21 - Step 5: Solve for x
x = 58,691,167,836.21/271,421.30 - Step 6: Final answer
x = 216,236.41
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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.