Finding the Fourth Proportional to 146,473.68, 202,133.88 and 79,405.68
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Solution
The fourth proportional to 146,473.68, 202,133.88 and 79,405.68 is: 109,579.95
Step by Step Solution
- Step 1: Write the proportion equation
146,473.68 : 202,133.88 = 79,405.68 : x - Step 2: Convert to fraction form
146,473.68/202,133.88 = 79,405.68/x - Step 3: Cross multiply
146,473.68x = 202,133.88 × 79,405.68 - Step 4: Simplify right side
146,473.68x = 16,050,578,192.44 - Step 5: Solve for x
x = 16,050,578,192.44/146,473.68 - Step 6: Final answer
x = 109,579.95
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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.