Finding the Fourth Proportional to 147,152.32, 220,575.36 and 68,201.62
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Solution
The fourth proportional to 147,152.32, 220,575.36 and 68,201.62 is: 102,231.46
Step by Step Solution
- Step 1: Write the proportion equation
147,152.32 : 220,575.36 = 68,201.62 : x - Step 2: Convert to fraction form
147,152.32/220,575.36 = 68,201.62/x - Step 3: Cross multiply
147,152.32x = 220,575.36 × 68,201.62 - Step 4: Simplify right side
147,152.32x = 15,043,596,884.08 - Step 5: Solve for x
x = 15,043,596,884.08/147,152.32 - Step 6: Final answer
x = 102,231.46
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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.