Finding the Fourth Proportional to 352,512.95, 486,416.54 and 201,580.79
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Solution
The fourth proportional to 352,512.95, 486,416.54 and 201,580.79 is: 278,152.14
Step by Step Solution
- Step 1: Write the proportion equation
352,512.95 : 486,416.54 = 201,580.79 : x - Step 2: Convert to fraction form
352,512.95/486,416.54 = 201,580.79/x - Step 3: Cross multiply
352,512.95x = 486,416.54 × 201,580.79 - Step 4: Simplify right side
352,512.95x = 98,052,228,474.14 - Step 5: Solve for x
x = 98,052,228,474.14/352,512.95 - Step 6: Final answer
x = 278,152.14
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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.