Finding the Fourth Proportional to 197,808.92, 272,975.99 and 107,167.19
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Solution
The fourth proportional to 197,808.92, 272,975.99 and 107,167.19 is: 147,890.54
Step by Step Solution
- Step 1: Write the proportion equation
197,808.92 : 272,975.99 = 107,167.19 : x - Step 2: Convert to fraction form
197,808.92/272,975.99 = 107,167.19/x - Step 3: Cross multiply
197,808.92x = 272,975.99 × 107,167.19 - Step 4: Simplify right side
197,808.92x = 29,254,067,885.05 - Step 5: Solve for x
x = 29,254,067,885.05/197,808.92 - Step 6: Final answer
x = 147,890.54
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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.