Finding the Fourth Proportional to 197,441.64, 272,351.97 and 119,890.62
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Solution
The fourth proportional to 197,441.64, 272,351.97 and 119,890.62 is: 165,377.71
Step by Step Solution
- Step 1: Write the proportion equation
197,441.64 : 272,351.97 = 119,890.62 : x - Step 2: Convert to fraction form
197,441.64/272,351.97 = 119,890.62/x - Step 3: Cross multiply
197,441.64x = 272,351.97 × 119,890.62 - Step 4: Simplify right side
197,441.64x = 32,652,446,541.52 - Step 5: Solve for x
x = 32,652,446,541.52/197,441.64 - Step 6: Final answer
x = 165,377.71
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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.