Finding the Fourth Proportional to 372,193.37, 513,625.42 and 202,430.33
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Solution
The fourth proportional to 372,193.37, 513,625.42 and 202,430.33 is: 279,353.08
Step by Step Solution
- Step 1: Write the proportion equation
372,193.37 : 513,625.42 = 202,430.33 : x - Step 2: Convert to fraction form
372,193.37/513,625.42 = 202,430.33/x - Step 3: Cross multiply
372,193.37x = 513,625.42 × 202,430.33 - Step 4: Simplify right side
372,193.37x = 103,973,363,266.99 - Step 5: Solve for x
x = 103,973,363,266.99/372,193.37 - Step 6: Final answer
x = 279,353.08
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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.