Finding the Fourth Proportional to 376,181.12, 519,128.52 and 206,418.08
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Solution
The fourth proportional to 376,181.12, 519,128.52 and 206,418.08 is: 284,856.17
Step by Step Solution
- Step 1: Write the proportion equation
376,181.12 : 519,128.52 = 206,418.08 : x - Step 2: Convert to fraction form
376,181.12/519,128.52 = 206,418.08/x - Step 3: Cross multiply
376,181.12x = 519,128.52 × 206,418.08 - Step 4: Simplify right side
376,181.12x = 107,157,512,371.64 - Step 5: Solve for x
x = 107,157,512,371.64/376,181.12 - Step 6: Final answer
x = 284,856.17
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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.