Finding the Fourth Proportional to 224,581.74, 309,909.60 and 122,586.96
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Solution
The fourth proportional to 224,581.74, 309,909.60 and 122,586.96 is: 169,162.80
Step by Step Solution
- Step 1: Write the proportion equation
224,581.74 : 309,909.60 = 122,586.96 : x - Step 2: Convert to fraction form
224,581.74/309,909.60 = 122,586.96/x - Step 3: Cross multiply
224,581.74x = 309,909.60 × 122,586.96 - Step 4: Simplify right side
224,581.74x = 37,990,875,738.82 - Step 5: Solve for x
x = 37,990,875,738.82/224,581.74 - Step 6: Final answer
x = 169,162.80
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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.