Finding the Fourth Proportional to 197,232.98, 272,180.86 and 112,364.42
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Solution
The fourth proportional to 197,232.98, 272,180.86 and 112,364.42 is: 155,062.52
Step by Step Solution
- Step 1: Write the proportion equation
197,232.98 : 272,180.86 = 112,364.42 : x - Step 2: Convert to fraction form
197,232.98/272,180.86 = 112,364.42/x - Step 3: Cross multiply
197,232.98x = 272,180.86 × 112,364.42 - Step 4: Simplify right side
197,232.98x = 30,583,442,827.19 - Step 5: Solve for x
x = 30,583,442,827.19/197,232.98 - Step 6: Final answer
x = 155,062.52
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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.