Finding the Fourth Proportional to 271,274.19, 374,340.06 and 156,557.63
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Solution
The fourth proportional to 271,274.19, 374,340.06 and 156,557.63 is: 216,038.95
Step by Step Solution
- Step 1: Write the proportion equation
271,274.19 : 374,340.06 = 156,557.63 : x - Step 2: Convert to fraction form
271,274.19/374,340.06 = 156,557.63/x - Step 3: Cross multiply
271,274.19x = 374,340.06 × 156,557.63 - Step 4: Simplify right side
271,274.19x = 58,605,790,735.96 - Step 5: Solve for x
x = 58,605,790,735.96/271,274.19 - Step 6: Final answer
x = 216,038.95
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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.