Finding the Fourth Proportional to 279,492.23, 385,734.14 and 158,672.63
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Solution
The fourth proportional to 279,492.23, 385,734.14 and 158,672.63 is: 218,988.02
Step by Step Solution
- Step 1: Write the proportion equation
279,492.23 : 385,734.14 = 158,672.63 : x - Step 2: Convert to fraction form
279,492.23/385,734.14 = 158,672.63/x - Step 3: Cross multiply
279,492.23x = 385,734.14 × 158,672.63 - Step 4: Simplify right side
279,492.23x = 61,205,451,240.58 - Step 5: Solve for x
x = 61,205,451,240.58/279,492.23 - Step 6: Final answer
x = 218,988.02
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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.