Finding the Fourth Proportional to 358,247.06, 494,381.77 and 197,112.49
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Solution
The fourth proportional to 358,247.06, 494,381.77 and 197,112.49 is: 272,015.69
Step by Step Solution
- Step 1: Write the proportion equation
358,247.06 : 494,381.77 = 197,112.49 : x - Step 2: Convert to fraction form
358,247.06/494,381.77 = 197,112.49/x - Step 3: Cross multiply
358,247.06x = 494,381.77 × 197,112.49 - Step 4: Simplify right side
358,247.06x = 97,448,820,936.73 - Step 5: Solve for x
x = 97,448,820,936.73/358,247.06 - Step 6: Final answer
x = 272,015.69
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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.