Finding the Fourth Proportional to 135,145.60, 202,699.20 and 41,660.80
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Solution
The fourth proportional to 135,145.60, 202,699.20 and 41,660.80 is: 62,485.28
Step by Step Solution
- Step 1: Write the proportion equation
135,145.60 : 202,699.20 = 41,660.80 : x - Step 2: Convert to fraction form
135,145.60/202,699.20 = 41,660.80/x - Step 3: Cross multiply
135,145.60x = 202,699.20 × 41,660.80 - Step 4: Simplify right side
135,145.60x = 8,444,610,831.36 - Step 5: Solve for x
x = 8,444,610,831.36/135,145.60 - Step 6: Final answer
x = 62,485.28
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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.