Finding the Fourth Proportional to 134,889.68, 202,316.76 and 41,387.60
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Solution
The fourth proportional to 134,889.68, 202,316.76 and 41,387.60 is: 62,075.95
Step by Step Solution
- Step 1: Write the proportion equation
134,889.68 : 202,316.76 = 41,387.60 : x - Step 2: Convert to fraction form
134,889.68/202,316.76 = 41,387.60/x - Step 3: Cross multiply
134,889.68x = 202,316.76 × 41,387.60 - Step 4: Simplify right side
134,889.68x = 8,373,405,136.18 - Step 5: Solve for x
x = 8,373,405,136.18/134,889.68 - Step 6: Final answer
x = 62,075.95
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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.