Finding the Fourth Proportional to 197,813.37, 272,982.52 and 107,169.96
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Solution
The fourth proportional to 197,813.37, 272,982.52 and 107,169.96 is: 147,894.58
Step by Step Solution
- Step 1: Write the proportion equation
197,813.37 : 272,982.52 = 107,169.96 : x - Step 2: Convert to fraction form
197,813.37/272,982.52 = 107,169.96/x - Step 3: Cross multiply
197,813.37x = 272,982.52 × 107,169.96 - Step 4: Simplify right side
197,813.37x = 29,255,525,749.10 - Step 5: Solve for x
x = 29,255,525,749.10/197,813.37 - Step 6: Final answer
x = 147,894.58
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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.