Finding the Fourth Proportional to 286,859.53, 430,286.55 and 174,571.66
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Solution
The fourth proportional to 286,859.53, 430,286.55 and 174,571.66 is: 261,855.82
Step by Step Solution
- Step 1: Write the proportion equation
286,859.53 : 430,286.55 = 174,571.66 : x - Step 2: Convert to fraction form
286,859.53/430,286.55 = 174,571.66/x - Step 3: Cross multiply
286,859.53x = 430,286.55 × 174,571.66 - Step 4: Simplify right side
286,859.53x = 75,115,837,309.17 - Step 5: Solve for x
x = 75,115,837,309.17/286,859.53 - Step 6: Final answer
x = 261,855.82
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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.