Finding the Fourth Proportional to 407,637.80, 611,694.84 and 170,960.66
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Solution
The fourth proportional to 407,637.80, 611,694.84 and 170,960.66 is: 256,540.86
Step by Step Solution
- Step 1: Write the proportion equation
407,637.80 : 611,694.84 = 170,960.66 : x - Step 2: Convert to fraction form
407,637.80/611,694.84 = 170,960.66/x - Step 3: Cross multiply
407,637.80x = 611,694.84 × 170,960.66 - Step 4: Simplify right side
407,637.80x = 104,575,753,564.99 - Step 5: Solve for x
x = 104,575,753,564.99/407,637.80 - Step 6: Final answer
x = 256,540.86
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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.