Finding the Fourth Proportional to 373,637.88, 515,472.12 and 230,149.08
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Solution
The fourth proportional to 373,637.88, 515,472.12 and 230,149.08 is: 317,514.47
Step by Step Solution
- Step 1: Write the proportion equation
373,637.88 : 515,472.12 = 230,149.08 : x - Step 2: Convert to fraction form
373,637.88/515,472.12 = 230,149.08/x - Step 3: Cross multiply
373,637.88x = 515,472.12 × 230,149.08 - Step 4: Simplify right side
373,637.88x = 118,635,434,183.65 - Step 5: Solve for x
x = 118,635,434,183.65/373,637.88 - Step 6: Final answer
x = 317,514.47
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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.