Finding the Fourth Proportional to 211,609.08, 292,029.66 and 126,709.92
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Solution
The fourth proportional to 211,609.08, 292,029.66 and 126,709.92 is: 174,865.16
Step by Step Solution
- Step 1: Write the proportion equation
211,609.08 : 292,029.66 = 126,709.92 : x - Step 2: Convert to fraction form
211,609.08/292,029.66 = 126,709.92/x - Step 3: Cross multiply
211,609.08x = 292,029.66 × 126,709.92 - Step 4: Simplify right side
211,609.08x = 37,003,054,856.23 - Step 5: Solve for x
x = 37,003,054,856.23/211,609.08 - Step 6: Final answer
x = 174,865.16
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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.