Finding the Fourth Proportional to 208,435.01, 312,619.84 and 66,261.65
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Solution
The fourth proportional to 208,435.01, 312,619.84 and 66,261.65 is: 99,382.09
Step by Step Solution
- Step 1: Write the proportion equation
208,435.01 : 312,619.84 = 66,261.65 : x - Step 2: Convert to fraction form
208,435.01/312,619.84 = 66,261.65/x - Step 3: Cross multiply
208,435.01x = 312,619.84 × 66,261.65 - Step 4: Simplify right side
208,435.01x = 20,714,706,421.14 - Step 5: Solve for x
x = 20,714,706,421.14/208,435.01 - Step 6: Final answer
x = 99,382.09
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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.