Finding the Fourth Proportional to 196,488.26, 271,153.80 and 107,064.26
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Solution
The fourth proportional to 196,488.26, 271,153.80 and 107,064.26 is: 147,748.68
Step by Step Solution
- Step 1: Write the proportion equation
196,488.26 : 271,153.80 = 107,064.26 : x - Step 2: Convert to fraction form
196,488.26/271,153.80 = 107,064.26/x - Step 3: Cross multiply
196,488.26x = 271,153.80 × 107,064.26 - Step 4: Simplify right side
196,488.26x = 29,030,880,943.19 - Step 5: Solve for x
x = 29,030,880,943.19/196,488.26 - Step 6: Final answer
x = 147,748.68
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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.