Finding the Fourth Proportional to 481,202.10, 721,803.15 and 256,475.70
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Solution
The fourth proportional to 481,202.10, 721,803.15 and 256,475.70 is: 384,713.55
Step by Step Solution
- Step 1: Write the proportion equation
481,202.10 : 721,803.15 = 256,475.70 : x - Step 2: Convert to fraction form
481,202.10/721,803.15 = 256,475.70/x - Step 3: Cross multiply
481,202.10x = 721,803.15 × 256,475.70 - Step 4: Simplify right side
481,202.10x = 185,124,968,158.46 - Step 5: Solve for x
x = 185,124,968,158.46/481,202.10 - Step 6: Final answer
x = 384,713.55
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Similar ratio
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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.