Finding the Fourth Proportional to 145,938.92, 201,395.97 and 82,276.56
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Solution
The fourth proportional to 145,938.92, 201,395.97 and 82,276.56 is: 113,541.80
Step by Step Solution
- Step 1: Write the proportion equation
145,938.92 : 201,395.97 = 82,276.56 : x - Step 2: Convert to fraction form
145,938.92/201,395.97 = 82,276.56/x - Step 3: Cross multiply
145,938.92x = 201,395.97 × 82,276.56 - Step 4: Simplify right side
145,938.92x = 16,570,167,609.46 - Step 5: Solve for x
x = 16,570,167,609.46/145,938.92 - Step 6: Final answer
x = 113,541.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.