Finding the Fourth Proportional to 299,809.96, 413,761.26 and 170,753.88
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Solution
The fourth proportional to 299,809.96, 413,761.26 and 170,753.88 is: 235,653.75
Step by Step Solution
- Step 1: Write the proportion equation
299,809.96 : 413,761.26 = 170,753.88 : x - Step 2: Convert to fraction form
299,809.96/413,761.26 = 170,753.88/x - Step 3: Cross multiply
299,809.96x = 413,761.26 × 170,753.88 - Step 4: Simplify right side
299,809.96x = 70,651,340,538.69 - Step 5: Solve for x
x = 70,651,340,538.69/299,809.96 - Step 6: Final answer
x = 235,653.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.