Finding the Fourth Proportional to 499,212.10, 748,915.35 and 214,902.10
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Solution
The fourth proportional to 499,212.10, 748,915.35 and 214,902.10 is: 322,394.99
Step by Step Solution
- Step 1: Write the proportion equation
499,212.10 : 748,915.35 = 214,902.10 : x - Step 2: Convert to fraction form
499,212.10/748,915.35 = 214,902.10/x - Step 3: Cross multiply
499,212.10x = 748,915.35 × 214,902.10 - Step 4: Simplify right side
499,212.10x = 160,943,481,437.24 - Step 5: Solve for x
x = 160,943,481,437.24/499,212.10 - Step 6: Final answer
x = 322,394.99
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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.