Finding the Fourth Proportional to 147,526.26, 203,584.05 and 82,990.62
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Solution
The fourth proportional to 147,526.26, 203,584.05 and 82,990.62 is: 114,525.82
Step by Step Solution
- Step 1: Write the proportion equation
147,526.26 : 203,584.05 = 82,990.62 : x - Step 2: Convert to fraction form
147,526.26/203,584.05 = 82,990.62/x - Step 3: Cross multiply
147,526.26x = 203,584.05 × 82,990.62 - Step 4: Simplify right side
147,526.26x = 16,895,566,531.61 - Step 5: Solve for x
x = 16,895,566,531.61/147,526.26 - Step 6: Final answer
x = 114,525.82
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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.