Finding the Fourth Proportional to 211,736.08, 292,332.52 and 131,249.20
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Solution
The fourth proportional to 211,736.08, 292,332.52 and 131,249.20 is: 181,208.65
Step by Step Solution
- Step 1: Write the proportion equation
211,736.08 : 292,332.52 = 131,249.20 : x - Step 2: Convert to fraction form
211,736.08/292,332.52 = 131,249.20/x - Step 3: Cross multiply
211,736.08x = 292,332.52 × 131,249.20 - Step 4: Simplify right side
211,736.08x = 38,368,409,383.98 - Step 5: Solve for x
x = 38,368,409,383.98/211,736.08 - Step 6: Final answer
x = 181,208.65
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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.