Finding the Fourth Proportional to 155,863.26, 233,804.78 and 65,889.21
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Solution
The fourth proportional to 155,863.26, 233,804.78 and 65,889.21 is: 98,837.99
Step by Step Solution
- Step 1: Write the proportion equation
155,863.26 : 233,804.78 = 65,889.21 : x - Step 2: Convert to fraction form
155,863.26/233,804.78 = 65,889.21/x - Step 3: Cross multiply
155,863.26x = 233,804.78 × 65,889.21 - Step 4: Simplify right side
155,863.26x = 15,405,211,918.98 - Step 5: Solve for x
x = 15,405,211,918.98/155,863.26 - Step 6: Final answer
x = 98,837.99
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1.5x scale
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.