Finding the Fourth Proportional to 196,988.05, 271,853.68 and 120,483.14
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Solution
The fourth proportional to 196,988.05, 271,853.68 and 120,483.14 is: 166,272.96
Step by Step Solution
- Step 1: Write the proportion equation
196,988.05 : 271,853.68 = 120,483.14 : x - Step 2: Convert to fraction form
196,988.05/271,853.68 = 120,483.14/x - Step 3: Cross multiply
196,988.05x = 271,853.68 × 120,483.14 - Step 4: Simplify right side
196,988.05x = 32,753,784,986.96 - Step 5: Solve for x
x = 32,753,784,986.96/196,988.05 - Step 6: Final answer
x = 166,272.96
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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.