Finding the Fourth Proportional to 651,145.20, 976,754.72 and 201,929.93
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Solution
The fourth proportional to 651,145.20, 976,754.72 and 201,929.93 is: 302,906.35
Step by Step Solution
- Step 1: Write the proportion equation
651,145.20 : 976,754.72 = 201,929.93 : x - Step 2: Convert to fraction form
651,145.20/976,754.72 = 201,929.93/x - Step 3: Cross multiply
651,145.20x = 976,754.72 × 201,929.93 - Step 4: Simplify right side
651,145.20x = 197,236,015,183.48 - Step 5: Solve for x
x = 197,236,015,183.48/651,145.20 - Step 6: Final answer
x = 302,906.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.