Finding the Fourth Proportional to 271,371.54, 374,432.76 and 156,625.80
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Solution
The fourth proportional to 271,371.54, 374,432.76 and 156,625.80 is: 216,108.99
Step by Step Solution
- Step 1: Write the proportion equation
271,371.54 : 374,432.76 = 156,625.80 : x - Step 2: Convert to fraction form
271,371.54/374,432.76 = 156,625.80/x - Step 3: Cross multiply
271,371.54x = 374,432.76 × 156,625.80 - Step 4: Simplify right side
271,371.54x = 58,645,830,581.21 - Step 5: Solve for x
x = 58,645,830,581.21/271,371.54 - Step 6: Final answer
x = 216,108.99
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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.