Finding the Fourth Proportional to 197,965.96, 273,193.86 and 107,323.24
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Solution
The fourth proportional to 197,965.96, 273,193.86 and 107,323.24 is: 148,106.52
Step by Step Solution
- Step 1: Write the proportion equation
197,965.96 : 273,193.86 = 107,323.24 : x - Step 2: Convert to fraction form
197,965.96/273,193.86 = 107,323.24/x - Step 3: Cross multiply
197,965.96x = 273,193.86 × 107,323.24 - Step 4: Simplify right side
197,965.96x = 29,320,050,203.31 - Step 5: Solve for x
x = 29,320,050,203.31/197,965.96 - Step 6: Final answer
x = 148,106.52
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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.