Finding the Fourth Proportional to 275,285.84, 412,649.88 and 186,548.32
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Solution
The fourth proportional to 275,285.84, 412,649.88 and 186,548.32 is: 279,633.50
Step by Step Solution
- Step 1: Write the proportion equation
275,285.84 : 412,649.88 = 186,548.32 : x - Step 2: Convert to fraction form
275,285.84/412,649.88 = 186,548.32/x - Step 3: Cross multiply
275,285.84x = 412,649.88 × 186,548.32 - Step 4: Simplify right side
275,285.84x = 76,979,141,862.20 - Step 5: Solve for x
x = 76,979,141,862.20/275,285.84 - Step 6: Final answer
x = 279,633.50
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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.