Finding the Fourth Proportional to 372,028.26, 513,402.64 and 202,266.02
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Solution
The fourth proportional to 372,028.26, 513,402.64 and 202,266.02 is: 279,129.09
Step by Step Solution
- Step 1: Write the proportion equation
372,028.26 : 513,402.64 = 202,266.02 : x - Step 2: Convert to fraction form
372,028.26/513,402.64 = 202,266.02/x - Step 3: Cross multiply
372,028.26x = 513,402.64 × 202,266.02 - Step 4: Simplify right side
372,028.26x = 103,843,908,650.29 - Step 5: Solve for x
x = 103,843,908,650.29/372,028.26 - Step 6: Final answer
x = 279,129.09
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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.