Finding the Fourth Proportional to 196,980.36, 295,470.54 and 91,872.84
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Solution
The fourth proportional to 196,980.36, 295,470.54 and 91,872.84 is: 137,809.26
Step by Step Solution
- Step 1: Write the proportion equation
196,980.36 : 295,470.54 = 91,872.84 : x - Step 2: Convert to fraction form
196,980.36/295,470.54 = 91,872.84/x - Step 3: Cross multiply
196,980.36x = 295,470.54 × 91,872.84 - Step 4: Simplify right side
196,980.36x = 27,145,717,646.13 - Step 5: Solve for x
x = 27,145,717,646.13/196,980.36 - Step 6: Final answer
x = 137,809.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.