Finding the Fourth Proportional to 188,532.18, 260,181.09 and 103,655.70
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Solution
The fourth proportional to 188,532.18, 260,181.09 and 103,655.70 is: 143,048.54
Step by Step Solution
- Step 1: Write the proportion equation
188,532.18 : 260,181.09 = 103,655.70 : x - Step 2: Convert to fraction form
188,532.18/260,181.09 = 103,655.70/x - Step 3: Cross multiply
188,532.18x = 260,181.09 × 103,655.70 - Step 4: Simplify right side
188,532.18x = 26,969,253,010.71 - Step 5: Solve for x
x = 26,969,253,010.71/188,532.18 - Step 6: Final answer
x = 143,048.54
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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.