Finding the Fourth Proportional to 490,865.73, 736,216.58 and 135,915.63
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Solution
The fourth proportional to 490,865.73, 736,216.58 and 135,915.63 is: 203,850.74
Step by Step Solution
- Step 1: Write the proportion equation
490,865.73 : 736,216.58 = 135,915.63 : x - Step 2: Convert to fraction form
490,865.73/736,216.58 = 135,915.63/x - Step 3: Cross multiply
490,865.73x = 736,216.58 × 135,915.63 - Step 4: Simplify right side
490,865.73x = 100,063,340,287.15 - Step 5: Solve for x
x = 100,063,340,287.15/490,865.73 - Step 6: Final answer
x = 203,850.74
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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.