Finding the Fourth Proportional to 183,570.98, 252,855.96 and 129,763.50
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Solution
The fourth proportional to 183,570.98, 252,855.96 and 129,763.50 is: 178,739.99
Step by Step Solution
- Step 1: Write the proportion equation
183,570.98 : 252,855.96 = 129,763.50 : x - Step 2: Convert to fraction form
183,570.98/252,855.96 = 129,763.50/x - Step 3: Cross multiply
183,570.98x = 252,855.96 × 129,763.50 - Step 4: Simplify right side
183,570.98x = 32,811,474,365.46 - Step 5: Solve for x
x = 32,811,474,365.46/183,570.98 - Step 6: Final answer
x = 178,739.99
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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.