Finding the Fourth Proportional to 225,854.22, 311,670.99 and 125,261.58
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Solution
The fourth proportional to 225,854.22, 311,670.99 and 125,261.58 is: 172,856.64
Step by Step Solution
- Step 1: Write the proportion equation
225,854.22 : 311,670.99 = 125,261.58 : x - Step 2: Convert to fraction form
225,854.22/311,670.99 = 125,261.58/x - Step 3: Cross multiply
225,854.22x = 311,670.99 × 125,261.58 - Step 4: Simplify right side
225,854.22x = 39,040,400,647.56 - Step 5: Solve for x
x = 39,040,400,647.56/225,854.22 - Step 6: Final answer
x = 172,856.64
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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.