Finding the Fourth Proportional to 371,181.66, 512,232.05 and 201,415.78
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Solution
The fourth proportional to 371,181.66, 512,232.05 and 201,415.78 is: 277,954.52
Step by Step Solution
- Step 1: Write the proportion equation
371,181.66 : 512,232.05 = 201,415.78 : x - Step 2: Convert to fraction form
371,181.66/512,232.05 = 201,415.78/x - Step 3: Cross multiply
371,181.66x = 512,232.05 × 201,415.78 - Step 4: Simplify right side
371,181.66x = 103,171,619,035.58 - Step 5: Solve for x
x = 103,171,619,035.58/371,181.66 - Step 6: Final answer
x = 277,954.52
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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.