Finding the Fourth Proportional to 235,682.83, 325,249.08 and 128,259.66
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Solution
The fourth proportional to 235,682.83, 325,249.08 and 128,259.66 is: 177,002.02
Step by Step Solution
- Step 1: Write the proportion equation
235,682.83 : 325,249.08 = 128,259.66 : x - Step 2: Convert to fraction form
235,682.83/325,249.08 = 128,259.66/x - Step 3: Cross multiply
235,682.83x = 325,249.08 × 128,259.66 - Step 4: Simplify right side
235,682.83x = 41,716,336,416.11 - Step 5: Solve for x
x = 41,716,336,416.11/235,682.83 - Step 6: Final answer
x = 177,002.02
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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.