Finding the Fourth Proportional to 376,129.96, 519,059.84 and 206,364.76
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Solution
The fourth proportional to 376,129.96, 519,059.84 and 206,364.76 is: 284,783.64
Step by Step Solution
- Step 1: Write the proportion equation
376,129.96 : 519,059.84 = 206,364.76 : x - Step 2: Convert to fraction form
376,129.96/519,059.84 = 206,364.76/x - Step 3: Cross multiply
376,129.96x = 519,059.84 × 206,364.76 - Step 4: Simplify right side
376,129.96x = 107,115,659,307.24 - Step 5: Solve for x
x = 107,115,659,307.24/376,129.96 - Step 6: Final answer
x = 284,783.64
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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.