Finding the Fourth Proportional to 275,639.48, 412,905.62 and 125,673.47
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Solution
The fourth proportional to 275,639.48, 412,905.62 and 125,673.47 is: 188,257.80
Step by Step Solution
- Step 1: Write the proportion equation
275,639.48 : 412,905.62 = 125,673.47 : x - Step 2: Convert to fraction form
275,639.48/412,905.62 = 125,673.47/x - Step 3: Cross multiply
275,639.48x = 412,905.62 × 125,673.47 - Step 4: Simplify right side
275,639.48x = 51,891,282,047.90 - Step 5: Solve for x
x = 51,891,282,047.90/275,639.48 - Step 6: Final answer
x = 188,257.80
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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.