Finding the Fourth Proportional to 135,142.68, 202,736.82 and 46,374.78
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Solution
The fourth proportional to 135,142.68, 202,736.82 and 46,374.78 is: 69,569.99
Step by Step Solution
- Step 1: Write the proportion equation
135,142.68 : 202,736.82 = 46,374.78 : x - Step 2: Convert to fraction form
135,142.68/202,736.82 = 46,374.78/x - Step 3: Cross multiply
135,142.68x = 202,736.82 × 46,374.78 - Step 4: Simplify right side
135,142.68x = 9,401,875,425.40 - Step 5: Solve for x
x = 9,401,875,425.40/135,142.68 - Step 6: Final answer
x = 69,569.99
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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.