Finding the Fourth Proportional to 309,447.75, 464,178.11 and 99,085.08
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Solution
The fourth proportional to 309,447.75, 464,178.11 and 99,085.08 is: 148,629.70
Step by Step Solution
- Step 1: Write the proportion equation
309,447.75 : 464,178.11 = 99,085.08 : x - Step 2: Convert to fraction form
309,447.75/464,178.11 = 99,085.08/x - Step 3: Cross multiply
309,447.75x = 464,178.11 × 99,085.08 - Step 4: Simplify right side
309,447.75x = 45,993,125,163.60 - Step 5: Solve for x
x = 45,993,125,163.60/309,447.75 - Step 6: Final answer
x = 148,629.70
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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.