Finding the Fourth Proportional to 135,088.43, 202,636.74 and 46,340.67
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Solution
The fourth proportional to 135,088.43, 202,636.74 and 46,340.67 is: 69,512.42
Step by Step Solution
- Step 1: Write the proportion equation
135,088.43 : 202,636.74 = 46,340.67 : x - Step 2: Convert to fraction form
135,088.43/202,636.74 = 46,340.67/x - Step 3: Cross multiply
135,088.43x = 202,636.74 × 46,340.67 - Step 4: Simplify right side
135,088.43x = 9,390,322,971.21 - Step 5: Solve for x
x = 9,390,322,971.21/135,088.43 - Step 6: Final answer
x = 69,512.42
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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.