Finding the Fourth Proportional to 286,758.26, 430,189.34 and 118,184.75
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Solution
The fourth proportional to 286,758.26, 430,189.34 and 118,184.75 is: 177,298.53
Step by Step Solution
- Step 1: Write the proportion equation
286,758.26 : 430,189.34 = 118,184.75 : x - Step 2: Convert to fraction form
286,758.26/430,189.34 = 118,184.75/x - Step 3: Cross multiply
286,758.26x = 430,189.34 × 118,184.75 - Step 4: Simplify right side
286,758.26x = 50,841,816,858.69 - Step 5: Solve for x
x = 50,841,816,858.69/286,758.26 - Step 6: Final answer
x = 177,298.53
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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.