Finding the Fourth Proportional to 351,158.36, 484,604.76 and 198,227.12
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Solution
The fourth proportional to 351,158.36, 484,604.76 and 198,227.12 is: 273,556.94
Step by Step Solution
- Step 1: Write the proportion equation
351,158.36 : 484,604.76 = 198,227.12 : x - Step 2: Convert to fraction form
351,158.36/484,604.76 = 198,227.12/x - Step 3: Cross multiply
351,158.36x = 484,604.76 × 198,227.12 - Step 4: Simplify right side
351,158.36x = 96,061,805,913.09 - Step 5: Solve for x
x = 96,061,805,913.09/351,158.36 - Step 6: Final answer
x = 273,556.94
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1.5x scale
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.