Finding the Fourth Proportional to 163,546.62, 245,415.09 and 68,769.93
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Solution
The fourth proportional to 163,546.62, 245,415.09 and 68,769.93 is: 103,194.91
Step by Step Solution
- Step 1: Write the proportion equation
163,546.62 : 245,415.09 = 68,769.93 : x - Step 2: Convert to fraction form
163,546.62/245,415.09 = 68,769.93/x - Step 3: Cross multiply
163,546.62x = 245,415.09 × 68,769.93 - Step 4: Simplify right side
163,546.62x = 16,877,178,560.24 - Step 5: Solve for x
x = 16,877,178,560.24/163,546.62 - Step 6: Final answer
x = 103,194.91
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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.