Finding the Fourth Proportional to 204,901.80, 307,352.70 and 57,157.80
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Solution
The fourth proportional to 204,901.80, 307,352.70 and 57,157.80 is: 85,736.70
Step by Step Solution
- Step 1: Write the proportion equation
204,901.80 : 307,352.70 = 57,157.80 : x - Step 2: Convert to fraction form
204,901.80/307,352.70 = 57,157.80/x - Step 3: Cross multiply
204,901.80x = 307,352.70 × 57,157.80 - Step 4: Simplify right side
204,901.80x = 17,567,604,156.06 - Step 5: Solve for x
x = 17,567,604,156.06/204,901.80 - Step 6: Final answer
x = 85,736.70
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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.