Finding the Fourth Proportional to 205,765.92, 283,967.98 and 115,116.48
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Solution
The fourth proportional to 205,765.92, 283,967.98 and 115,116.48 is: 158,866.90
Step by Step Solution
- Step 1: Write the proportion equation
205,765.92 : 283,967.98 = 115,116.48 : x - Step 2: Convert to fraction form
205,765.92/283,967.98 = 115,116.48/x - Step 3: Cross multiply
205,765.92x = 283,967.98 × 115,116.48 - Step 4: Simplify right side
205,765.92x = 32,689,394,290.31 - Step 5: Solve for x
x = 32,689,394,290.31/205,765.92 - Step 6: Final answer
x = 158,866.90
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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.