Finding the Fourth Proportional to 252,115.23, 347,919.08 and 137,393.91
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Solution
The fourth proportional to 252,115.23, 347,919.08 and 137,393.91 is: 189,603.63
Step by Step Solution
- Step 1: Write the proportion equation
252,115.23 : 347,919.08 = 137,393.91 : x - Step 2: Convert to fraction form
252,115.23/347,919.08 = 137,393.91/x - Step 3: Cross multiply
252,115.23x = 347,919.08 × 137,393.91 - Step 4: Simplify right side
252,115.23x = 47,801,962,764.80 - Step 5: Solve for x
x = 47,801,962,764.80/252,115.23 - Step 6: Final answer
x = 189,603.63
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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.