Finding the Fourth Proportional to 373,529.76, 515,450.08 and 212,362.08
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Solution
The fourth proportional to 373,529.76, 515,450.08 and 212,362.08 is: 293,047.74
Step by Step Solution
- Step 1: Write the proportion equation
373,529.76 : 515,450.08 = 212,362.08 : x - Step 2: Convert to fraction form
373,529.76/515,450.08 = 212,362.08/x - Step 3: Cross multiply
373,529.76x = 515,450.08 × 212,362.08 - Step 4: Simplify right side
373,529.76x = 109,462,051,124.97 - Step 5: Solve for x
x = 109,462,051,124.97/373,529.76 - Step 6: Final answer
x = 293,047.74
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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.