Finding the Fourth Proportional to 472,318.36, 651,890.33 and 327,517.09
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Solution
The fourth proportional to 472,318.36, 651,890.33 and 327,517.09 is: 452,036.68
Step by Step Solution
- Step 1: Write the proportion equation
472,318.36 : 651,890.33 = 327,517.09 : x - Step 2: Convert to fraction form
472,318.36/651,890.33 = 327,517.09/x - Step 3: Cross multiply
472,318.36x = 651,890.33 × 327,517.09 - Step 4: Simplify right side
472,318.36x = 213,505,221,841.62 - Step 5: Solve for x
x = 213,505,221,841.62/472,318.36 - Step 6: Final answer
x = 452,036.68
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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.