Finding the Fourth Proportional to 179,839.53, 248,178.58 and 99,267.09
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Solution
The fourth proportional to 179,839.53, 248,178.58 and 99,267.09 is: 136,988.60
Step by Step Solution
- Step 1: Write the proportion equation
179,839.53 : 248,178.58 = 99,267.09 : x - Step 2: Convert to fraction form
179,839.53/248,178.58 = 99,267.09/x - Step 3: Cross multiply
179,839.53x = 248,178.58 × 99,267.09 - Step 4: Simplify right side
179,839.53x = 24,635,965,436.93 - Step 5: Solve for x
x = 24,635,965,436.93/179,839.53 - Step 6: Final answer
x = 136,988.60
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1.5x scale
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.