Finding the Fourth Proportional to 248,427.66, 343,230.99 and 173,311.50
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Solution
The fourth proportional to 248,427.66, 343,230.99 and 173,311.50 is: 239,449.49
Step by Step Solution
- Step 1: Write the proportion equation
248,427.66 : 343,230.99 = 173,311.50 : x - Step 2: Convert to fraction form
248,427.66/343,230.99 = 173,311.50/x - Step 3: Cross multiply
248,427.66x = 343,230.99 × 173,311.50 - Step 4: Simplify right side
248,427.66x = 59,485,877,723.39 - Step 5: Solve for x
x = 59,485,877,723.39/248,427.66 - Step 6: Final answer
x = 239,449.49
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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.