Finding the Fourth Proportional to 509,759.36, 764,589.57 and 154,776.46
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Solution
The fourth proportional to 509,759.36, 764,589.57 and 154,776.46 is: 232,149.66
Step by Step Solution
- Step 1: Write the proportion equation
509,759.36 : 764,589.57 = 154,776.46 : x - Step 2: Convert to fraction form
509,759.36/764,589.57 = 154,776.46/x - Step 3: Cross multiply
509,759.36x = 764,589.57 × 154,776.46 - Step 4: Simplify right side
509,759.36x = 118,340,463,174.57 - Step 5: Solve for x
x = 118,340,463,174.57/509,759.36 - Step 6: Final answer
x = 232,149.66
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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.