Finding the Fourth Proportional to 438,211.75, 604,732.26 and 237,007.75
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Solution
The fourth proportional to 438,211.75, 604,732.26 and 237,007.75 is: 327,070.72
Step by Step Solution
- Step 1: Write the proportion equation
438,211.75 : 604,732.26 = 237,007.75 : x - Step 2: Convert to fraction form
438,211.75/604,732.26 = 237,007.75/x - Step 3: Cross multiply
438,211.75x = 604,732.26 × 237,007.75 - Step 4: Simplify right side
438,211.75x = 143,326,232,295.02 - Step 5: Solve for x
x = 143,326,232,295.02/438,211.75 - Step 6: Final answer
x = 327,070.72
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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.