Finding the Fourth Proportional to 441,236.32, 661,635.84 and 156,884.26
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Solution
The fourth proportional to 441,236.32, 661,635.84 and 156,884.26 is: 235,248.65
Step by Step Solution
- Step 1: Write the proportion equation
441,236.32 : 661,635.84 = 156,884.26 : x - Step 2: Convert to fraction form
441,236.32/661,635.84 = 156,884.26/x - Step 3: Cross multiply
441,236.32x = 661,635.84 × 156,884.26 - Step 4: Simplify right side
441,236.32x = 103,800,249,147.88 - Step 5: Solve for x
x = 103,800,249,147.88/441,236.32 - Step 6: Final answer
x = 235,248.65
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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.