Finding the Fourth Proportional to 320,473.74, 441,241.44 and 282,207.32
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Solution
The fourth proportional to 320,473.74, 441,241.44 and 282,207.32 is: 388,554.65
Step by Step Solution
- Step 1: Write the proportion equation
320,473.74 : 441,241.44 = 282,207.32 : x - Step 2: Convert to fraction form
320,473.74/441,241.44 = 282,207.32/x - Step 3: Cross multiply
320,473.74x = 441,241.44 × 282,207.32 - Step 4: Simplify right side
320,473.74x = 124,521,562,049.13 - Step 5: Solve for x
x = 124,521,562,049.13/320,473.74 - Step 6: Final answer
x = 388,554.65
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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.