Finding the Fourth Proportional to 208,089.24, 311,884.32 and 119,403.96
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Solution
The fourth proportional to 208,089.24, 311,884.32 and 119,403.96 is: 178,962.75
Step by Step Solution
- Step 1: Write the proportion equation
208,089.24 : 311,884.32 = 119,403.96 : x - Step 2: Convert to fraction form
208,089.24/311,884.32 = 119,403.96/x - Step 3: Cross multiply
208,089.24x = 311,884.32 × 119,403.96 - Step 4: Simplify right side
208,089.24x = 37,240,222,869.91 - Step 5: Solve for x
x = 37,240,222,869.91/208,089.24 - Step 6: Final answer
x = 178,962.75
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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.