Finding the Fourth Proportional to 179,861.65, 248,209.67 and 99,288.99
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Solution
The fourth proportional to 179,861.65, 248,209.67 and 99,288.99 is: 137,019.14
Step by Step Solution
- Step 1: Write the proportion equation
179,861.65 : 248,209.67 = 99,288.99 : x - Step 2: Convert to fraction form
179,861.65/248,209.67 = 99,288.99/x - Step 3: Cross multiply
179,861.65x = 248,209.67 × 99,288.99 - Step 4: Simplify right side
179,861.65x = 24,644,487,690.76 - Step 5: Solve for x
x = 24,644,487,690.76/179,861.65 - Step 6: Final answer
x = 137,019.14
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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.