Finding the Fourth Proportional to 201,169.80, 301,949.10 and 122,437.80
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Solution
The fourth proportional to 201,169.80, 301,949.10 and 122,437.80 is: 183,775.02
Step by Step Solution
- Step 1: Write the proportion equation
201,169.80 : 301,949.10 = 122,437.80 : x - Step 2: Convert to fraction form
201,169.80/301,949.10 = 122,437.80/x - Step 3: Cross multiply
201,169.80x = 301,949.10 × 122,437.80 - Step 4: Simplify right side
201,169.80x = 36,969,983,515.98 - Step 5: Solve for x
x = 36,969,983,515.98/201,169.80 - Step 6: Final answer
x = 183,775.02
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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.