Finding the Fourth Proportional to 190,716.84, 263,006.34 and 114,223.68
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Solution
The fourth proportional to 190,716.84, 263,006.34 and 114,223.68 is: 157,519.14
Step by Step Solution
- Step 1: Write the proportion equation
190,716.84 : 263,006.34 = 114,223.68 : x - Step 2: Convert to fraction form
190,716.84/263,006.34 = 114,223.68/x - Step 3: Cross multiply
190,716.84x = 263,006.34 × 114,223.68 - Step 4: Simplify right side
190,716.84x = 30,041,552,018.13 - Step 5: Solve for x
x = 30,041,552,018.13/190,716.84 - Step 6: Final answer
x = 157,519.14
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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.