Finding the Fourth Proportional to 373,464.81, 515,425.01 and 212,344.00
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Solution
The fourth proportional to 373,464.81, 515,425.01 and 212,344.00 is: 293,059.49
Step by Step Solution
- Step 1: Write the proportion equation
373,464.81 : 515,425.01 = 212,344.00 : x - Step 2: Convert to fraction form
373,464.81/515,425.01 = 212,344.00/x - Step 3: Cross multiply
373,464.81x = 515,425.01 × 212,344.00 - Step 4: Simplify right side
373,464.81x = 109,447,405,973.16 - Step 5: Solve for x
x = 109,447,405,973.16/373,464.81 - Step 6: Final answer
x = 293,059.49
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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.