Finding the Fourth Proportional to 221,468.05, 332,254.98 and 71,708.50
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Solution
The fourth proportional to 221,468.05, 332,254.98 and 71,708.50 is: 107,579.88
Step by Step Solution
- Step 1: Write the proportion equation
221,468.05 : 332,254.98 = 71,708.50 : x - Step 2: Convert to fraction form
221,468.05/332,254.98 = 71,708.50/x - Step 3: Cross multiply
221,468.05x = 332,254.98 × 71,708.50 - Step 4: Simplify right side
221,468.05x = 23,825,505,671.60 - Step 5: Solve for x
x = 23,825,505,671.60/221,468.05 - Step 6: Final answer
x = 107,579.88
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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.