Finding the Fourth Proportional to 117,663.94, 162,377.30 and 63,949.08
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Solution
The fourth proportional to 117,663.94, 162,377.30 and 63,949.08 is: 88,250.31
Step by Step Solution
- Step 1: Write the proportion equation
117,663.94 : 162,377.30 = 63,949.08 : x - Step 2: Convert to fraction form
117,663.94/162,377.30 = 63,949.08/x - Step 3: Cross multiply
117,663.94x = 162,377.30 × 63,949.08 - Step 4: Simplify right side
117,663.94x = 10,383,878,628.14 - Step 5: Solve for x
x = 10,383,878,628.14/117,663.94 - Step 6: Final answer
x = 88,250.31
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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.