Finding the Fourth Proportional to 145,998.05, 201,475.76 and 82,334.48
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Solution
The fourth proportional to 145,998.05, 201,475.76 and 82,334.48 is: 113,620.70
Step by Step Solution
- Step 1: Write the proportion equation
145,998.05 : 201,475.76 = 82,334.48 : x - Step 2: Convert to fraction form
145,998.05/201,475.76 = 82,334.48/x - Step 3: Cross multiply
145,998.05x = 201,475.76 × 82,334.48 - Step 4: Simplify right side
145,998.05x = 16,588,400,513.15 - Step 5: Solve for x
x = 16,588,400,513.15/145,998.05 - Step 6: Final answer
x = 113,620.70
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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.