Finding the Fourth Proportional to 828,226.14, 1,242,366.81 and 229,137.13
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Solution
The fourth proportional to 828,226.14, 1,242,366.81 and 229,137.13 is: 343,713.33
Step by Step Solution
- Step 1: Write the proportion equation
828,226.14 : 1,242,366.81 = 229,137.13 : x - Step 2: Convert to fraction form
828,226.14/1,242,366.81 = 229,137.13/x - Step 3: Cross multiply
828,226.14x = 1,242,366.81 × 229,137.13 - Step 4: Simplify right side
828,226.14x = 284,672,365,250.66 - Step 5: Solve for x
x = 284,672,365,250.66/828,226.14 - Step 6: Final answer
x = 343,713.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.