Finding the Fourth Proportional to 248,605.20, 372,907.80 and 136,630.80
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Solution
The fourth proportional to 248,605.20, 372,907.80 and 136,630.80 is: 204,946.20
Step by Step Solution
- Step 1: Write the proportion equation
248,605.20 : 372,907.80 = 136,630.80 : x - Step 2: Convert to fraction form
248,605.20/372,907.80 = 136,630.80/x - Step 3: Cross multiply
248,605.20x = 372,907.80 × 136,630.80 - Step 4: Simplify right side
248,605.20x = 50,950,691,040.24 - Step 5: Solve for x
x = 50,950,691,040.24/248,605.20 - Step 6: Final answer
x = 204,946.20
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1.5x scale
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.