Finding the Fourth Proportional to 371,601.78, 512,813.16 and 201,835.96
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Solution
The fourth proportional to 371,601.78, 512,813.16 and 201,835.96 is: 278,535.09
Step by Step Solution
- Step 1: Write the proportion equation
371,601.78 : 512,813.16 = 201,835.96 : x - Step 2: Convert to fraction form
371,601.78/512,813.16 = 201,835.96/x - Step 3: Cross multiply
371,601.78x = 512,813.16 × 201,835.96 - Step 4: Simplify right side
371,601.78x = 103,504,136,449.23 - Step 5: Solve for x
x = 103,504,136,449.23/371,601.78 - Step 6: Final answer
x = 278,535.09
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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.