Finding the Fourth Proportional to 99,783.36, 149,596.56 and 49,837.68
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Solution
The fourth proportional to 99,783.36, 149,596.56 and 49,837.68 is: 74,717.32
Step by Step Solution
- Step 1: Write the proportion equation
99,783.36 : 149,596.56 = 49,837.68 : x - Step 2: Convert to fraction form
99,783.36/149,596.56 = 49,837.68/x - Step 3: Cross multiply
99,783.36x = 149,596.56 × 49,837.68 - Step 4: Simplify right side
99,783.36x = 7,455,545,486.38 - Step 5: Solve for x
x = 7,455,545,486.38/99,783.36 - Step 6: Final answer
x = 74,717.32
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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.