Finding the Fourth Proportional to 373,485.81, 515,405.91 and 203,716.29
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Solution
The fourth proportional to 373,485.81, 515,405.91 and 203,716.29 is: 281,126.02
Step by Step Solution
- Step 1: Write the proportion equation
373,485.81 : 515,405.91 = 203,716.29 : x - Step 2: Convert to fraction form
373,485.81/515,405.91 = 203,716.29/x - Step 3: Cross multiply
373,485.81x = 515,405.91 × 203,716.29 - Step 4: Simplify right side
373,485.81x = 104,996,579,829.27 - Step 5: Solve for x
x = 104,996,579,829.27/373,485.81 - Step 6: Final answer
x = 281,126.02
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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.