Finding the Fourth Proportional to 202,115.40, 302,735.70 and 108,511.80
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Solution
The fourth proportional to 202,115.40, 302,735.70 and 108,511.80 is: 162,532.87
Step by Step Solution
- Step 1: Write the proportion equation
202,115.40 : 302,735.70 = 108,511.80 : x - Step 2: Convert to fraction form
202,115.40/302,735.70 = 108,511.80/x - Step 3: Cross multiply
202,115.40x = 302,735.70 × 108,511.80 - Step 4: Simplify right side
202,115.40x = 32,850,395,731.26 - Step 5: Solve for x
x = 32,850,395,731.26/202,115.40 - Step 6: Final answer
x = 162,532.87
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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.