Finding the Fourth Proportional to 611,224.75, 916,629.48 and 211,772.26
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Solution
The fourth proportional to 611,224.75, 916,629.48 and 211,772.26 is: 317,586.45
Step by Step Solution
- Step 1: Write the proportion equation
611,224.75 : 916,629.48 = 211,772.26 : x - Step 2: Convert to fraction form
611,224.75/916,629.48 = 211,772.26/x - Step 3: Cross multiply
611,224.75x = 916,629.48 × 211,772.26 - Step 4: Simplify right side
611,224.75x = 194,116,696,562.23 - Step 5: Solve for x
x = 194,116,696,562.23/611,224.75 - Step 6: Final answer
x = 317,586.45
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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.