Finding the Fourth Proportional to 361,415.10, 542,122.65 and 227,862.30
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Solution
The fourth proportional to 361,415.10, 542,122.65 and 227,862.30 is: 341,793.45
Step by Step Solution
- Step 1: Write the proportion equation
361,415.10 : 542,122.65 = 227,862.30 : x - Step 2: Convert to fraction form
361,415.10/542,122.65 = 227,862.30/x - Step 3: Cross multiply
361,415.10x = 542,122.65 × 227,862.30 - Step 4: Simplify right side
361,415.10x = 123,529,313,911.10 - Step 5: Solve for x
x = 123,529,313,911.10/361,415.10 - Step 6: Final answer
x = 341,793.45
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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.