Finding the Fourth Proportional to 305,058.07, 420,837.74 and 191,943.19
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Solution
The fourth proportional to 305,058.07, 420,837.74 and 191,943.19 is: 264,792.00
Step by Step Solution
- Step 1: Write the proportion equation
305,058.07 : 420,837.74 = 191,943.19 : x - Step 2: Convert to fraction form
305,058.07/420,837.74 = 191,943.19/x - Step 3: Cross multiply
305,058.07x = 420,837.74 × 191,943.19 - Step 4: Simplify right side
305,058.07x = 80,776,936,183.80 - Step 5: Solve for x
x = 80,776,936,183.80/305,058.07 - Step 6: Final answer
x = 264,792.00
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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.