Finding the Fourth Proportional to 114,618.93, 158,167.02 and 63,628.68
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Solution
The fourth proportional to 114,618.93, 158,167.02 and 63,628.68 is: 87,803.64
Step by Step Solution
- Step 1: Write the proportion equation
114,618.93 : 158,167.02 = 63,628.68 : x - Step 2: Convert to fraction form
114,618.93/158,167.02 = 63,628.68/x - Step 3: Cross multiply
114,618.93x = 158,167.02 × 63,628.68 - Step 4: Simplify right side
114,618.93x = 10,063,958,702.13 - Step 5: Solve for x
x = 10,063,958,702.13/114,618.93 - Step 6: Final answer
x = 87,803.64
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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.