Finding the Fourth Proportional to 226,029.18, 311,934.85 and 125,427.18
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Solution
The fourth proportional to 226,029.18, 311,934.85 and 125,427.18 is: 173,097.60
Step by Step Solution
- Step 1: Write the proportion equation
226,029.18 : 311,934.85 = 125,427.18 : x - Step 2: Convert to fraction form
226,029.18/311,934.85 = 125,427.18/x - Step 3: Cross multiply
226,029.18x = 311,934.85 × 125,427.18 - Step 4: Simplify right side
226,029.18x = 39,125,108,579.22 - Step 5: Solve for x
x = 39,125,108,579.22/226,029.18 - Step 6: Final answer
x = 173,097.60
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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.