Finding the Fourth Proportional to 196,487.76, 271,153.11 and 107,063.76
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Solution
The fourth proportional to 196,487.76, 271,153.11 and 107,063.76 is: 147,747.99
Step by Step Solution
- Step 1: Write the proportion equation
196,487.76 : 271,153.11 = 107,063.76 : x - Step 2: Convert to fraction form
196,487.76/271,153.11 = 107,063.76/x - Step 3: Cross multiply
196,487.76x = 271,153.11 × 107,063.76 - Step 4: Simplify right side
196,487.76x = 29,030,671,492.29 - Step 5: Solve for x
x = 29,030,671,492.29/196,487.76 - Step 6: Final answer
x = 147,747.99
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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.