Finding the Fourth Proportional to 453,311.76, 680,115.56 and 216,672.88
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Solution
The fourth proportional to 453,311.76, 680,115.56 and 216,672.88 is: 325,080.02
Step by Step Solution
- Step 1: Write the proportion equation
453,311.76 : 680,115.56 = 216,672.88 : x - Step 2: Convert to fraction form
453,311.76/680,115.56 = 216,672.88/x - Step 3: Cross multiply
453,311.76x = 680,115.56 × 216,672.88 - Step 4: Simplify right side
453,311.76x = 147,362,597,118.01 - Step 5: Solve for x
x = 147,362,597,118.01/453,311.76 - Step 6: Final answer
x = 325,080.02
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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.