Finding the Fourth Proportional to 210,377.88, 290,342.48 and 125,494.94
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Solution
The fourth proportional to 210,377.88, 290,342.48 and 125,494.94 is: 173,195.55
Step by Step Solution
- Step 1: Write the proportion equation
210,377.88 : 290,342.48 = 125,494.94 : x - Step 2: Convert to fraction form
210,377.88/290,342.48 = 125,494.94/x - Step 3: Cross multiply
210,377.88x = 290,342.48 × 125,494.94 - Step 4: Simplify right side
210,377.88x = 36,436,512,107.05 - Step 5: Solve for x
x = 36,436,512,107.05/210,377.88 - Step 6: Final answer
x = 173,195.55
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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.