Finding the Fourth Proportional to 371,284.25, 512,372.72 and 201,518.42
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Solution
The fourth proportional to 371,284.25, 512,372.72 and 201,518.42 is: 278,095.66
Step by Step Solution
- Step 1: Write the proportion equation
371,284.25 : 512,372.72 = 201,518.42 : x - Step 2: Convert to fraction form
371,284.25/512,372.72 = 201,518.42/x - Step 3: Cross multiply
371,284.25x = 512,372.72 × 201,518.42 - Step 4: Simplify right side
371,284.25x = 103,252,538,927.44 - Step 5: Solve for x
x = 103,252,538,927.44/371,284.25 - Step 6: Final answer
x = 278,095.66
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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.