Finding the Fourth Proportional to 509,207.36, 702,129.60 and 325,204.11
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Solution
The fourth proportional to 509,207.36, 702,129.60 and 325,204.11 is: 448,413.46
Step by Step Solution
- Step 1: Write the proportion equation
509,207.36 : 702,129.60 = 325,204.11 : x - Step 2: Convert to fraction form
509,207.36/702,129.60 = 325,204.11/x - Step 3: Cross multiply
509,207.36x = 702,129.60 × 325,204.11 - Step 4: Simplify right side
509,207.36x = 228,335,431,672.66 - Step 5: Solve for x
x = 228,335,431,672.66/509,207.36 - Step 6: Final answer
x = 448,413.46
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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.