Finding the Fourth Proportional to 135,292.47, 202,936.57 and 46,546.74
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Solution
The fourth proportional to 135,292.47, 202,936.57 and 46,546.74 is: 69,819.38
Step by Step Solution
- Step 1: Write the proportion equation
135,292.47 : 202,936.57 = 46,546.74 : x - Step 2: Convert to fraction form
135,292.47/202,936.57 = 46,546.74/x - Step 3: Cross multiply
135,292.47x = 202,936.57 × 46,546.74 - Step 4: Simplify right side
135,292.47x = 9,446,035,760.28 - Step 5: Solve for x
x = 9,446,035,760.28/135,292.47 - Step 6: Final answer
x = 69,819.38
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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.