Finding the Fourth Proportional to 193,125.25, 266,454.16 and 121,576.69
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Solution
The fourth proportional to 193,125.25, 266,454.16 and 121,576.69 is: 167,738.89
Step by Step Solution
- Step 1: Write the proportion equation
193,125.25 : 266,454.16 = 121,576.69 : x - Step 2: Convert to fraction form
193,125.25/266,454.16 = 121,576.69/x - Step 3: Cross multiply
193,125.25x = 266,454.16 × 121,576.69 - Step 4: Simplify right side
193,125.25x = 32,394,614,809.53 - Step 5: Solve for x
x = 32,394,614,809.53/193,125.25 - Step 6: Final answer
x = 167,738.89
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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.