Finding the Fourth Proportional to 248,858.18, 343,293.36 and 168,312.80
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Solution
The fourth proportional to 248,858.18, 343,293.36 and 168,312.80 is: 232,183.11
Step by Step Solution
- Step 1: Write the proportion equation
248,858.18 : 343,293.36 = 168,312.80 : x - Step 2: Convert to fraction form
248,858.18/343,293.36 = 168,312.80/x - Step 3: Cross multiply
248,858.18x = 343,293.36 × 168,312.80 - Step 4: Simplify right side
248,858.18x = 57,780,666,643.01 - Step 5: Solve for x
x = 57,780,666,643.01/248,858.18 - Step 6: Final answer
x = 232,183.11
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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.