Finding the Fourth Proportional to 201,181.80, 301,772.70 and 107,869.80
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Solution
The fourth proportional to 201,181.80, 301,772.70 and 107,869.80 is: 161,804.70
Step by Step Solution
- Step 1: Write the proportion equation
201,181.80 : 301,772.70 = 107,869.80 : x - Step 2: Convert to fraction form
201,181.80/301,772.70 = 107,869.80/x - Step 3: Cross multiply
201,181.80x = 301,772.70 × 107,869.80 - Step 4: Simplify right side
201,181.80x = 32,552,160,794.46 - Step 5: Solve for x
x = 32,552,160,794.46/201,181.80 - Step 6: Final answer
x = 161,804.70
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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.