Finding the Fourth Proportional to 135,210.80, 202,816.20 and 132,906.80
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Solution
The fourth proportional to 135,210.80, 202,816.20 and 132,906.80 is: 199,360.20
Step by Step Solution
- Step 1: Write the proportion equation
135,210.80 : 202,816.20 = 132,906.80 : x - Step 2: Convert to fraction form
135,210.80/202,816.20 = 132,906.80/x - Step 3: Cross multiply
135,210.80x = 202,816.20 × 132,906.80 - Step 4: Simplify right side
135,210.80x = 26,955,652,130.16 - Step 5: Solve for x
x = 26,955,652,130.16/135,210.80 - Step 6: Final answer
x = 199,360.20
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1.5x scale
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.