Finding the Fourth Proportional to 373,542.30, 515,485.99 and 212,397.35
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Solution
The fourth proportional to 373,542.30, 515,485.99 and 212,397.35 is: 293,106.99
Step by Step Solution
- Step 1: Write the proportion equation
373,542.30 : 515,485.99 = 212,397.35 : x - Step 2: Convert to fraction form
373,542.30/515,485.99 = 212,397.35/x - Step 3: Cross multiply
373,542.30x = 515,485.99 × 212,397.35 - Step 4: Simplify right side
373,542.30x = 109,487,858,238.13 - Step 5: Solve for x
x = 109,487,858,238.13/373,542.30 - Step 6: Final answer
x = 293,106.99
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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.