Finding the Fourth Proportional to 197,706.74, 272,901.84 and 120,182.12
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Solution
The fourth proportional to 197,706.74, 272,901.84 and 120,182.12 is: 165,891.77
Step by Step Solution
- Step 1: Write the proportion equation
197,706.74 : 272,901.84 = 120,182.12 : x - Step 2: Convert to fraction form
197,706.74/272,901.84 = 120,182.12/x - Step 3: Cross multiply
197,706.74x = 272,901.84 × 120,182.12 - Step 4: Simplify right side
197,706.74x = 32,797,921,683.10 - Step 5: Solve for x
x = 32,797,921,683.10/197,706.74 - Step 6: Final answer
x = 165,891.77
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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.