Finding the Fourth Proportional to 371,880.92, 513,174.84 and 202,113.92
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Solution
The fourth proportional to 371,880.92, 513,174.84 and 202,113.92 is: 278,905.89
Step by Step Solution
- Step 1: Write the proportion equation
371,880.92 : 513,174.84 = 202,113.92 : x - Step 2: Convert to fraction form
371,880.92/513,174.84 = 202,113.92/x - Step 3: Cross multiply
371,880.92x = 513,174.84 × 202,113.92 - Step 4: Simplify right side
371,880.92x = 103,719,778,557.77 - Step 5: Solve for x
x = 103,719,778,557.77/371,880.92 - Step 6: Final answer
x = 278,905.89
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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.