Finding the Fourth Proportional to 225,835.74, 311,653.35 and 125,233.74
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Solution
The fourth proportional to 225,835.74, 311,653.35 and 125,233.74 is: 172,822.58
Step by Step Solution
- Step 1: Write the proportion equation
225,835.74 : 311,653.35 = 125,233.74 : x - Step 2: Convert to fraction form
225,835.74/311,653.35 = 125,233.74/x - Step 3: Cross multiply
225,835.74x = 311,653.35 × 125,233.74 - Step 4: Simplify right side
225,835.74x = 39,029,514,604.03 - Step 5: Solve for x
x = 39,029,514,604.03/225,835.74 - Step 6: Final answer
x = 172,822.58
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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.