Finding the Fourth Proportional to 114,591.66, 158,138.18 and 63,607.68
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Solution
The fourth proportional to 114,591.66, 158,138.18 and 63,607.68 is: 87,779.54
Step by Step Solution
- Step 1: Write the proportion equation
114,591.66 : 158,138.18 = 63,607.68 : x - Step 2: Convert to fraction form
114,591.66/158,138.18 = 63,607.68/x - Step 3: Cross multiply
114,591.66x = 158,138.18 × 63,607.68 - Step 4: Simplify right side
114,591.66x = 10,058,802,749.22 - Step 5: Solve for x
x = 10,058,802,749.22/114,591.66 - Step 6: Final answer
x = 87,779.54
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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.