Finding the Fourth Proportional to 411,028.20, 616,250.70 and 186,496.20
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Solution
The fourth proportional to 411,028.20, 616,250.70 and 186,496.20 is: 279,611.99
Step by Step Solution
- Step 1: Write the proportion equation
411,028.20 : 616,250.70 = 186,496.20 : x - Step 2: Convert to fraction form
411,028.20/616,250.70 = 186,496.20/x - Step 3: Cross multiply
411,028.20x = 616,250.70 × 186,496.20 - Step 4: Simplify right side
411,028.20x = 114,928,413,797.34 - Step 5: Solve for x
x = 114,928,413,797.34/411,028.20 - Step 6: Final answer
x = 279,611.99
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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.