Finding the Fourth Proportional to 351,617.91, 485,235.05 and 190,472.97
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Solution
The fourth proportional to 351,617.91, 485,235.05 and 190,472.97 is: 262,853.96
Step by Step Solution
- Step 1: Write the proportion equation
351,617.91 : 485,235.05 = 190,472.97 : x - Step 2: Convert to fraction form
351,617.91/485,235.05 = 190,472.97/x - Step 3: Cross multiply
351,617.91x = 485,235.05 × 190,472.97 - Step 4: Simplify right side
351,617.91x = 92,424,161,121.60 - Step 5: Solve for x
x = 92,424,161,121.60/351,617.91 - Step 6: Final answer
x = 262,853.96
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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.