Finding the Fourth Proportional to 146,303.18, 201,914.84 and 82,645.08
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Solution
The fourth proportional to 146,303.18, 201,914.84 and 82,645.08 is: 114,059.50
Step by Step Solution
- Step 1: Write the proportion equation
146,303.18 : 201,914.84 = 82,645.08 : x - Step 2: Convert to fraction form
146,303.18/201,914.84 = 82,645.08/x - Step 3: Cross multiply
146,303.18x = 201,914.84 × 82,645.08 - Step 4: Simplify right side
146,303.18x = 16,687,268,104.99 - Step 5: Solve for x
x = 16,687,268,104.99/146,303.18 - Step 6: Final answer
x = 114,059.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.