Finding the Fourth Proportional to 367,786.98, 507,490.92 and 206,611.56
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Solution
The fourth proportional to 367,786.98, 507,490.92 and 206,611.56 is: 285,092.99
Step by Step Solution
- Step 1: Write the proportion equation
367,786.98 : 507,490.92 = 206,611.56 : x - Step 2: Convert to fraction form
367,786.98/507,490.92 = 206,611.56/x - Step 3: Cross multiply
367,786.98x = 507,490.92 × 206,611.56 - Step 4: Simplify right side
367,786.98x = 104,853,490,667.04 - Step 5: Solve for x
x = 104,853,490,667.04/367,786.98 - Step 6: Final answer
x = 285,092.99
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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.