Finding the Fourth Proportional to 197,205.80, 272,165.63 and 114,438.02
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Solution
The fourth proportional to 197,205.80, 272,165.63 and 114,438.02 is: 157,937.01
Step by Step Solution
- Step 1: Write the proportion equation
197,205.80 : 272,165.63 = 114,438.02 : x - Step 2: Convert to fraction form
197,205.80/272,165.63 = 114,438.02/x - Step 3: Cross multiply
197,205.80x = 272,165.63 × 114,438.02 - Step 4: Simplify right side
197,205.80x = 31,146,093,876.23 - Step 5: Solve for x
x = 31,146,093,876.23/197,205.80 - Step 6: Final answer
x = 157,937.01
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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.