Finding the Fourth Proportional to 135,090.76, 202,640.24 and 46,342.98
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Solution
The fourth proportional to 135,090.76, 202,640.24 and 46,342.98 is: 69,515.88
Step by Step Solution
- Step 1: Write the proportion equation
135,090.76 : 202,640.24 = 46,342.98 : x - Step 2: Convert to fraction form
135,090.76/202,640.24 = 46,342.98/x - Step 3: Cross multiply
135,090.76x = 202,640.24 × 46,342.98 - Step 4: Simplify right side
135,090.76x = 9,390,952,589.52 - Step 5: Solve for x
x = 9,390,952,589.52/135,090.76 - Step 6: Final answer
x = 69,515.88
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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.