Finding the Fourth Proportional to 188,568.68, 260,217.70 and 103,680.68
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Solution
The fourth proportional to 188,568.68, 260,217.70 and 103,680.68 is: 143,075.45
Step by Step Solution
- Step 1: Write the proportion equation
188,568.68 : 260,217.70 = 103,680.68 : x - Step 2: Convert to fraction form
188,568.68/260,217.70 = 103,680.68/x - Step 3: Cross multiply
188,568.68x = 260,217.70 × 103,680.68 - Step 4: Simplify right side
188,568.68x = 26,979,548,084.04 - Step 5: Solve for x
x = 26,979,548,084.04/188,568.68 - Step 6: Final answer
x = 143,075.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.