Finding the Fourth Proportional to 283,859.88, 425,717.30 and 84,133.55
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Solution
The fourth proportional to 283,859.88, 425,717.30 and 84,133.55 is: 126,178.84
Step by Step Solution
- Step 1: Write the proportion equation
283,859.88 : 425,717.30 = 84,133.55 : x - Step 2: Convert to fraction form
283,859.88/425,717.30 = 84,133.55/x - Step 3: Cross multiply
283,859.88x = 425,717.30 × 84,133.55 - Step 4: Simplify right side
283,859.88x = 35,817,109,020.04 - Step 5: Solve for x
x = 35,817,109,020.04/283,859.88 - Step 6: Final answer
x = 126,178.84
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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.