Finding the Fourth Proportional to 133,814.62, 184,672.47 and 74,198.62
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Solution
The fourth proportional to 133,814.62, 184,672.47 and 74,198.62 is: 102,398.69
Step by Step Solution
- Step 1: Write the proportion equation
133,814.62 : 184,672.47 = 74,198.62 : x - Step 2: Convert to fraction form
133,814.62/184,672.47 = 74,198.62/x - Step 3: Cross multiply
133,814.62x = 184,672.47 × 74,198.62 - Step 4: Simplify right side
133,814.62x = 13,702,442,425.99 - Step 5: Solve for x
x = 13,702,442,425.99/133,814.62 - Step 6: Final answer
x = 102,398.69
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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.