Finding the Fourth Proportional to 271,503.30, 374,579.27 and 156,778.68
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Solution
The fourth proportional to 271,503.30, 374,579.27 and 156,778.68 is: 216,299.55
Step by Step Solution
- Step 1: Write the proportion equation
271,503.30 : 374,579.27 = 156,778.68 : x - Step 2: Convert to fraction form
271,503.30/374,579.27 = 156,778.68/x - Step 3: Cross multiply
271,503.30x = 374,579.27 × 156,778.68 - Step 4: Simplify right side
271,503.30x = 58,726,042,722.07 - Step 5: Solve for x
x = 58,726,042,722.07/271,503.30 - Step 6: Final answer
x = 216,299.55
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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.