Finding the Fourth Proportional to 373,523.20, 515,628.99 and 253,030.43
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Solution
The fourth proportional to 373,523.20, 515,628.99 and 253,030.43 is: 349,295.11
Step by Step Solution
- Step 1: Write the proportion equation
373,523.20 : 515,628.99 = 253,030.43 : x - Step 2: Convert to fraction form
373,523.20/515,628.99 = 253,030.43/x - Step 3: Cross multiply
373,523.20x = 515,628.99 × 253,030.43 - Step 4: Simplify right side
373,523.20x = 130,469,826,349.24 - Step 5: Solve for x
x = 130,469,826,349.24/373,523.20 - Step 6: Final answer
x = 349,295.11
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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.