Finding the Fourth Proportional to 196,663.84, 271,395.60 and 107,239.84
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Solution
The fourth proportional to 196,663.84, 271,395.60 and 107,239.84 is: 147,990.71
Step by Step Solution
- Step 1: Write the proportion equation
196,663.84 : 271,395.60 = 107,239.84 : x - Step 2: Convert to fraction form
196,663.84/271,395.60 = 107,239.84/x - Step 3: Cross multiply
196,663.84x = 271,395.60 × 107,239.84 - Step 4: Simplify right side
196,663.84x = 29,104,420,720.70 - Step 5: Solve for x
x = 29,104,420,720.70/196,663.84 - Step 6: Final answer
x = 147,990.71
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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.