Finding the Fourth Proportional to 193,125.75, 266,454.86 and 121,577.19
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Solution
The fourth proportional to 193,125.75, 266,454.86 and 121,577.19 is: 167,739.58
Step by Step Solution
- Step 1: Write the proportion equation
193,125.75 : 266,454.86 = 121,577.19 : x - Step 2: Convert to fraction form
193,125.75/266,454.86 = 121,577.19/x - Step 3: Cross multiply
193,125.75x = 266,454.86 × 121,577.19 - Step 4: Simplify right side
193,125.75x = 32,394,832,532.76 - Step 5: Solve for x
x = 32,394,832,532.76/193,125.75 - Step 6: Final answer
x = 167,739.58
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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.