Finding the Fourth Proportional to 226,751.76, 312,920.26 and 124,788.96
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Solution
The fourth proportional to 226,751.76, 312,920.26 and 124,788.96 is: 172,210.32
Step by Step Solution
- Step 1: Write the proportion equation
226,751.76 : 312,920.26 = 124,788.96 : x - Step 2: Convert to fraction form
226,751.76/312,920.26 = 124,788.96/x - Step 3: Cross multiply
226,751.76x = 312,920.26 × 124,788.96 - Step 4: Simplify right side
226,751.76x = 39,048,993,808.33 - Step 5: Solve for x
x = 39,048,993,808.33/226,751.76 - Step 6: Final answer
x = 172,210.32
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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.