Finding the Fourth Proportional to 283,161.54, 390,674.97 and 160,633.80
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Solution
The fourth proportional to 283,161.54, 390,674.97 and 160,633.80 is: 221,624.75
Step by Step Solution
- Step 1: Write the proportion equation
283,161.54 : 390,674.97 = 160,633.80 : x - Step 2: Convert to fraction form
283,161.54/390,674.97 = 160,633.80/x - Step 3: Cross multiply
283,161.54x = 390,674.97 × 160,633.80 - Step 4: Simplify right side
283,161.54x = 62,755,604,995.99 - Step 5: Solve for x
x = 62,755,604,995.99/283,161.54 - Step 6: Final answer
x = 221,624.75
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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.