Finding the Fourth Proportional to 135,271.40, 202,935.90 and 41,786.60
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Solution
The fourth proportional to 135,271.40, 202,935.90 and 41,786.60 is: 62,688.80
Step by Step Solution
- Step 1: Write the proportion equation
135,271.40 : 202,935.90 = 41,786.60 : x - Step 2: Convert to fraction form
135,271.40/202,935.90 = 41,786.60/x - Step 3: Cross multiply
135,271.40x = 202,935.90 × 41,786.60 - Step 4: Simplify right side
135,271.40x = 8,480,001,278.94 - Step 5: Solve for x
x = 8,480,001,278.94/135,271.40 - Step 6: Final answer
x = 62,688.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.