Finding the Fourth Proportional to 135,258.32, 202,847.84 and 50,957.66
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Solution
The fourth proportional to 135,258.32, 202,847.84 and 50,957.66 is: 76,421.56
Step by Step Solution
- Step 1: Write the proportion equation
135,258.32 : 202,847.84 = 50,957.66 : x - Step 2: Convert to fraction form
135,258.32/202,847.84 = 50,957.66/x - Step 3: Cross multiply
135,258.32x = 202,847.84 × 50,957.66 - Step 4: Simplify right side
135,258.32x = 10,336,651,262.45 - Step 5: Solve for x
x = 10,336,651,262.45/135,258.32 - Step 6: Final answer
x = 76,421.56
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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.