Finding the Fourth Proportional to 197,377.41, 272,364.35 and 116,790.87
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Solution
The fourth proportional to 197,377.41, 272,364.35 and 116,790.87 is: 161,161.65
Step by Step Solution
- Step 1: Write the proportion equation
197,377.41 : 272,364.35 = 116,790.87 : x - Step 2: Convert to fraction form
197,377.41/272,364.35 = 116,790.87/x - Step 3: Cross multiply
197,377.41x = 272,364.35 × 116,790.87 - Step 4: Simplify right side
197,377.41x = 31,809,669,393.48 - Step 5: Solve for x
x = 31,809,669,393.48/197,377.41 - Step 6: Final answer
x = 161,161.65
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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.