Finding the Fourth Proportional to 135,219.40, 202,862.32 and 46,474.18
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Solution
The fourth proportional to 135,219.40, 202,862.32 and 46,474.18 is: 69,722.69
Step by Step Solution
- Step 1: Write the proportion equation
135,219.40 : 202,862.32 = 46,474.18 : x - Step 2: Convert to fraction form
135,219.40/202,862.32 = 46,474.18/x - Step 3: Cross multiply
135,219.40x = 202,862.32 × 46,474.18 - Step 4: Simplify right side
135,219.40x = 9,427,859,974.90 - Step 5: Solve for x
x = 9,427,859,974.90/135,219.40 - Step 6: Final answer
x = 69,722.69
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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.