Finding the Fourth Proportional to 190,772.13, 286,163.66 and 50,530.75
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Solution
The fourth proportional to 190,772.13, 286,163.66 and 50,530.75 is: 75,797.57
Step by Step Solution
- Step 1: Write the proportion equation
190,772.13 : 286,163.66 = 50,530.75 : x - Step 2: Convert to fraction form
190,772.13/286,163.66 = 50,530.75/x - Step 3: Cross multiply
190,772.13x = 286,163.66 × 50,530.75 - Step 4: Simplify right side
190,772.13x = 14,460,064,362.55 - Step 5: Solve for x
x = 14,460,064,362.55/190,772.13 - Step 6: Final answer
x = 75,797.57
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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.