Finding the Fourth Proportional to 1,106,772.32, 1,660,158.50 and 308,074.68
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Solution
The fourth proportional to 1,106,772.32, 1,660,158.50 and 308,074.68 is: 462,112.02
Step by Step Solution
- Step 1: Write the proportion equation
1,106,772.32 : 1,660,158.50 = 308,074.68 : x - Step 2: Convert to fraction form
1,106,772.32/1,660,158.50 = 308,074.68/x - Step 3: Cross multiply
1,106,772.32x = 1,660,158.50 × 308,074.68 - Step 4: Simplify right side
1,106,772.32x = 511,452,797,096.41 - Step 5: Solve for x
x = 511,452,797,096.41/1,106,772.32 - Step 6: Final answer
x = 462,112.02
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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.