Finding the Fourth Proportional to 372,144.36, 513,554.40 and 202,374.84
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Solution
The fourth proportional to 372,144.36, 513,554.40 and 202,374.84 is: 279,274.66
Step by Step Solution
- Step 1: Write the proportion equation
372,144.36 : 513,554.40 = 202,374.84 : x - Step 2: Convert to fraction form
372,144.36/513,554.40 = 202,374.84/x - Step 3: Cross multiply
372,144.36x = 513,554.40 × 202,374.84 - Step 4: Simplify right side
372,144.36x = 103,930,489,531.30 - Step 5: Solve for x
x = 103,930,489,531.30/372,144.36 - Step 6: Final answer
x = 279,274.66
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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.