Finding the Fourth Proportional to 141,293.70, 211,808.79 and 47,734.02
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Solution
The fourth proportional to 141,293.70, 211,808.79 and 47,734.02 is: 71,556.52
Step by Step Solution
- Step 1: Write the proportion equation
141,293.70 : 211,808.79 = 47,734.02 : x - Step 2: Convert to fraction form
141,293.70/211,808.79 = 47,734.02/x - Step 3: Cross multiply
141,293.70x = 211,808.79 × 47,734.02 - Step 4: Simplify right side
141,293.70x = 10,110,485,018.04 - Step 5: Solve for x
x = 10,110,485,018.04/141,293.70 - Step 6: Final answer
x = 71,556.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.