Finding the Fourth Proportional to 236,489.40, 354,734.10 and 130,201.20
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Solution
The fourth proportional to 236,489.40, 354,734.10 and 130,201.20 is: 195,301.80
Step by Step Solution
- Step 1: Write the proportion equation
236,489.40 : 354,734.10 = 130,201.20 : x - Step 2: Convert to fraction form
236,489.40/354,734.10 = 130,201.20/x - Step 3: Cross multiply
236,489.40x = 354,734.10 × 130,201.20 - Step 4: Simplify right side
236,489.40x = 46,186,805,500.92 - Step 5: Solve for x
x = 46,186,805,500.92/236,489.40 - Step 6: Final answer
x = 195,301.80
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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.