Finding the Fourth Proportional to 275,085.99, 412,630.40 and 125,221.47
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Solution
The fourth proportional to 275,085.99, 412,630.40 and 125,221.47 is: 187,832.85
Step by Step Solution
- Step 1: Write the proportion equation
275,085.99 : 412,630.40 = 125,221.47 : x - Step 2: Convert to fraction form
275,085.99/412,630.40 = 125,221.47/x - Step 3: Cross multiply
275,085.99x = 412,630.40 × 125,221.47 - Step 4: Simplify right side
275,085.99x = 51,670,185,180.90 - Step 5: Solve for x
x = 51,670,185,180.90/275,085.99 - Step 6: Final answer
x = 187,832.85
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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.