Finding the Fourth Proportional to 154,464.36, 213,194.07 and 94,054.98
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Solution
The fourth proportional to 154,464.36, 213,194.07 and 94,054.98 is: 129,816.12
Step by Step Solution
- Step 1: Write the proportion equation
154,464.36 : 213,194.07 = 94,054.98 : x - Step 2: Convert to fraction form
154,464.36/213,194.07 = 94,054.98/x - Step 3: Cross multiply
154,464.36x = 213,194.07 × 94,054.98 - Step 4: Simplify right side
154,464.36x = 20,051,963,989.97 - Step 5: Solve for x
x = 20,051,963,989.97/154,464.36 - Step 6: Final answer
x = 129,816.12
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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.