Finding the Fourth Proportional to 146,808.86, 202,586.63 and 86,367.82
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Solution
The fourth proportional to 146,808.86, 202,586.63 and 86,367.82 is: 119,181.95
Step by Step Solution
- Step 1: Write the proportion equation
146,808.86 : 202,586.63 = 86,367.82 : x - Step 2: Convert to fraction form
146,808.86/202,586.63 = 86,367.82/x - Step 3: Cross multiply
146,808.86x = 202,586.63 × 86,367.82 - Step 4: Simplify right side
146,808.86x = 17,496,965,162.41 - Step 5: Solve for x
x = 17,496,965,162.41/146,808.86 - Step 6: Final answer
x = 119,181.95
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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.