Finding the Fourth Proportional to 193,827.70, 290,751.15 and 100,515.70
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Solution
The fourth proportional to 193,827.70, 290,751.15 and 100,515.70 is: 150,778.53
Step by Step Solution
- Step 1: Write the proportion equation
193,827.70 : 290,751.15 = 100,515.70 : x - Step 2: Convert to fraction form
193,827.70/290,751.15 = 100,515.70/x - Step 3: Cross multiply
193,827.70x = 290,751.15 × 100,515.70 - Step 4: Simplify right side
193,827.70x = 29,225,055,368.06 - Step 5: Solve for x
x = 29,225,055,368.06/193,827.70 - Step 6: Final answer
x = 150,778.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.