Finding the Fourth Proportional to 272,927.20, 409,390.80 and 248,432.80
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Solution
The fourth proportional to 272,927.20, 409,390.80 and 248,432.80 is: 372,649.20
Step by Step Solution
- Step 1: Write the proportion equation
272,927.20 : 409,390.80 = 248,432.80 : x - Step 2: Convert to fraction form
272,927.20/409,390.80 = 248,432.80/x - Step 3: Cross multiply
272,927.20x = 409,390.80 × 248,432.80 - Step 4: Simplify right side
272,927.20x = 101,706,102,738.24 - Step 5: Solve for x
x = 101,706,102,738.24/272,927.20 - Step 6: Final answer
x = 372,649.20
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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.