Finding the Fourth Proportional to 134,615.40, 201,921.30 and 41,121.60
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Solution
The fourth proportional to 134,615.40, 201,921.30 and 41,121.60 is: 61,681.85
Step by Step Solution
- Step 1: Write the proportion equation
134,615.40 : 201,921.30 = 41,121.60 : x - Step 2: Convert to fraction form
134,615.40/201,921.30 = 41,121.60/x - Step 3: Cross multiply
134,615.40x = 201,921.30 × 41,121.60 - Step 4: Simplify right side
134,615.40x = 8,303,326,930.08 - Step 5: Solve for x
x = 8,303,326,930.08/134,615.40 - Step 6: Final answer
x = 61,681.85
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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.