Finding the Fourth Proportional to 395,014.98, 545,122.52 and 222,940.19
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Solution
The fourth proportional to 395,014.98, 545,122.52 and 222,940.19 is: 307,658.50
Step by Step Solution
- Step 1: Write the proportion equation
395,014.98 : 545,122.52 = 222,940.19 : x - Step 2: Convert to fraction form
395,014.98/545,122.52 = 222,940.19/x - Step 3: Cross multiply
395,014.98x = 545,122.52 × 222,940.19 - Step 4: Simplify right side
395,014.98x = 121,529,718,182.08 - Step 5: Solve for x
x = 121,529,718,182.08/395,014.98 - Step 6: Final answer
x = 307,658.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.