Finding the Fourth Proportional to 199,621.60, 299,382.99 and 119,609.80
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Solution
The fourth proportional to 199,621.60, 299,382.99 and 119,609.80 is: 179,385.09
Step by Step Solution
- Step 1: Write the proportion equation
199,621.60 : 299,382.99 = 119,609.80 : x - Step 2: Convert to fraction form
199,621.60/299,382.99 = 119,609.80/x - Step 3: Cross multiply
199,621.60x = 299,382.99 × 119,609.80 - Step 4: Simplify right side
199,621.60x = 35,809,139,557.30 - Step 5: Solve for x
x = 35,809,139,557.30/199,621.60 - Step 6: Final answer
x = 179,385.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.