Finding the Fourth Proportional to 225,751.66, 311,537.73 and 125,149.66
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Solution
The fourth proportional to 225,751.66, 311,537.73 and 125,149.66 is: 172,706.77
Step by Step Solution
- Step 1: Write the proportion equation
225,751.66 : 311,537.73 = 125,149.66 : x - Step 2: Convert to fraction form
225,751.66/311,537.73 = 125,149.66/x - Step 3: Cross multiply
225,751.66x = 311,537.73 × 125,149.66 - Step 4: Simplify right side
225,751.66x = 38,988,840,986.67 - Step 5: Solve for x
x = 38,988,840,986.67/225,751.66 - Step 6: Final answer
x = 172,706.77
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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.