Finding the Fourth Proportional to 416,574.12, 574,872.84 and 225,587.84
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Solution
The fourth proportional to 416,574.12, 574,872.84 and 225,587.84 is: 311,311.52
Step by Step Solution
- Step 1: Write the proportion equation
416,574.12 : 574,872.84 = 225,587.84 : x - Step 2: Convert to fraction form
416,574.12/574,872.84 = 225,587.84/x - Step 3: Cross multiply
416,574.12x = 574,872.84 × 225,587.84 - Step 4: Simplify right side
416,574.12x = 129,684,322,250.27 - Step 5: Solve for x
x = 129,684,322,250.27/416,574.12 - Step 6: Final answer
x = 311,311.52
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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.