Finding the Fourth Proportional to 145,945.99, 201,397.64 and 82,279.68
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Solution
The fourth proportional to 145,945.99, 201,397.64 and 82,279.68 is: 113,541.55
Step by Step Solution
- Step 1: Write the proportion equation
145,945.99 : 201,397.64 = 82,279.68 : x - Step 2: Convert to fraction form
145,945.99/201,397.64 = 82,279.68/x - Step 3: Cross multiply
145,945.99x = 201,397.64 × 82,279.68 - Step 4: Simplify right side
145,945.99x = 16,570,933,371.96 - Step 5: Solve for x
x = 16,570,933,371.96/145,945.99 - Step 6: Final answer
x = 113,541.55
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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.