Finding the Fourth Proportional to 286,119.23, 429,195.23 and 75,751.70
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Solution
The fourth proportional to 286,119.23, 429,195.23 and 75,751.70 is: 113,631.88
Step by Step Solution
- Step 1: Write the proportion equation
286,119.23 : 429,195.23 = 75,751.70 : x - Step 2: Convert to fraction form
286,119.23/429,195.23 = 75,751.70/x - Step 3: Cross multiply
286,119.23x = 429,195.23 × 75,751.70 - Step 4: Simplify right side
286,119.23x = 32,512,265,779.66 - Step 5: Solve for x
x = 32,512,265,779.66/286,119.23 - Step 6: Final answer
x = 113,631.88
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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.