Finding the Fourth Proportional to 497,197.41, 686,112.33 and 303,928.80
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Solution
The fourth proportional to 497,197.41, 686,112.33 and 303,928.80 is: 419,409.46
Step by Step Solution
- Step 1: Write the proportion equation
497,197.41 : 686,112.33 = 303,928.80 : x - Step 2: Convert to fraction form
497,197.41/686,112.33 = 303,928.80/x - Step 3: Cross multiply
497,197.41x = 686,112.33 × 303,928.80 - Step 4: Simplify right side
497,197.41x = 208,529,297,122.10 - Step 5: Solve for x
x = 208,529,297,122.10/497,197.41 - Step 6: Final answer
x = 419,409.46
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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.