Finding the Fourth Proportional to 371,896.92, 513,219.24 and 202,130.64
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Solution
The fourth proportional to 371,896.92, 513,219.24 and 202,130.64 is: 278,941.09
Step by Step Solution
- Step 1: Write the proportion equation
371,896.92 : 513,219.24 = 202,130.64 : x - Step 2: Convert to fraction form
371,896.92/513,219.24 = 202,130.64/x - Step 3: Cross multiply
371,896.92x = 513,219.24 × 202,130.64 - Step 4: Simplify right side
371,896.92x = 103,737,333,441.51 - Step 5: Solve for x
x = 103,737,333,441.51/371,896.92 - Step 6: Final answer
x = 278,941.09
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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.