Finding the Fourth Proportional to 245,764.18, 368,643.84 and 112,606.66
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Solution
The fourth proportional to 245,764.18, 368,643.84 and 112,606.66 is: 168,908.88
Step by Step Solution
- Step 1: Write the proportion equation
245,764.18 : 368,643.84 = 112,606.66 : x - Step 2: Convert to fraction form
245,764.18/368,643.84 = 112,606.66/x - Step 3: Cross multiply
245,764.18x = 368,643.84 × 112,606.66 - Step 4: Simplify right side
245,764.18x = 41,511,751,551.97 - Step 5: Solve for x
x = 41,511,751,551.97/245,764.18 - Step 6: Final answer
x = 168,908.88
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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.