Finding the Fourth Proportional to 413,718.21, 620,612.94 and 114,198.84
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Solution
The fourth proportional to 413,718.21, 620,612.94 and 114,198.84 is: 171,308.09
Step by Step Solution
- Step 1: Write the proportion equation
413,718.21 : 620,612.94 = 114,198.84 : x - Step 2: Convert to fraction form
413,718.21/620,612.94 = 114,198.84/x - Step 3: Cross multiply
413,718.21x = 620,612.94 × 114,198.84 - Step 4: Simplify right side
413,718.21x = 70,873,277,836.99 - Step 5: Solve for x
x = 70,873,277,836.99/413,718.21 - Step 6: Final answer
x = 171,308.09
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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.