Finding the Fourth Proportional to 202,435.30, 303,652.95 and 127,785.70
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Solution
The fourth proportional to 202,435.30, 303,652.95 and 127,785.70 is: 191,678.55
Step by Step Solution
- Step 1: Write the proportion equation
202,435.30 : 303,652.95 = 127,785.70 : x - Step 2: Convert to fraction form
202,435.30/303,652.95 = 127,785.70/x - Step 3: Cross multiply
202,435.30x = 303,652.95 × 127,785.70 - Step 4: Simplify right side
202,435.30x = 38,802,504,772.82 - Step 5: Solve for x
x = 38,802,504,772.82/202,435.30 - Step 6: Final answer
x = 191,678.55
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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.