Finding the Fourth Proportional to 197,701.74, 272,894.94 and 120,177.12
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Solution
The fourth proportional to 197,701.74, 272,894.94 and 120,177.12 is: 165,884.87
Step by Step Solution
- Step 1: Write the proportion equation
197,701.74 : 272,894.94 = 120,177.12 : x - Step 2: Convert to fraction form
197,701.74/272,894.94 = 120,177.12/x - Step 3: Cross multiply
197,701.74x = 272,894.94 × 120,177.12 - Step 4: Simplify right side
197,701.74x = 32,795,727,951.77 - Step 5: Solve for x
x = 32,795,727,951.77/197,701.74 - Step 6: Final answer
x = 165,884.87
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1.5x scale
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.