Finding the Fourth Proportional to 369,220.64, 509,523.84 and 199,454.24
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Solution
The fourth proportional to 369,220.64, 509,523.84 and 199,454.24 is: 275,246.50
Step by Step Solution
- Step 1: Write the proportion equation
369,220.64 : 509,523.84 = 199,454.24 : x - Step 2: Convert to fraction form
369,220.64/509,523.84 = 199,454.24/x - Step 3: Cross multiply
369,220.64x = 509,523.84 × 199,454.24 - Step 4: Simplify right side
369,220.64x = 101,626,690,269.08 - Step 5: Solve for x
x = 101,626,690,269.08/369,220.64 - Step 6: Final answer
x = 275,246.50
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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.