Finding the Fourth Proportional to 251,674.84, 347,302.74 and 138,497.32
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Solution
The fourth proportional to 251,674.84, 347,302.74 and 138,497.32 is: 191,121.60
Step by Step Solution
- Step 1: Write the proportion equation
251,674.84 : 347,302.74 = 138,497.32 : x - Step 2: Convert to fraction form
251,674.84/347,302.74 = 138,497.32/x - Step 3: Cross multiply
251,674.84x = 347,302.74 × 138,497.32 - Step 4: Simplify right side
251,674.84x = 48,100,498,718.66 - Step 5: Solve for x
x = 48,100,498,718.66/251,674.84 - Step 6: Final answer
x = 191,121.60
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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.