Finding the Fourth Proportional to 484,769.10, 727,190.10 and 129,775.26
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Solution
The fourth proportional to 484,769.10, 727,190.10 and 129,775.26 is: 194,672.65
Step by Step Solution
- Step 1: Write the proportion equation
484,769.10 : 727,190.10 = 129,775.26 : x - Step 2: Convert to fraction form
484,769.10/727,190.10 = 129,775.26/x - Step 3: Cross multiply
484,769.10x = 727,190.10 × 129,775.26 - Step 4: Simplify right side
484,769.10x = 94,371,284,296.93 - Step 5: Solve for x
x = 94,371,284,296.93/484,769.10 - Step 6: Final answer
x = 194,672.65
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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.