Finding the Fourth Proportional to 248,495.65, 342,914.99 and 151,861.17
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Solution
The fourth proportional to 248,495.65, 342,914.99 and 151,861.17 is: 209,562.92
Step by Step Solution
- Step 1: Write the proportion equation
248,495.65 : 342,914.99 = 151,861.17 : x - Step 2: Convert to fraction form
248,495.65/342,914.99 = 151,861.17/x - Step 3: Cross multiply
248,495.65x = 342,914.99 × 151,861.17 - Step 4: Simplify right side
248,495.65x = 52,075,472,435.44 - Step 5: Solve for x
x = 52,075,472,435.44/248,495.65 - Step 6: Final answer
x = 209,562.92
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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.