Finding the Fourth Proportional to 283,063.91, 390,750.77 and 202,351.46
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Solution
The fourth proportional to 283,063.91, 390,750.77 and 202,351.46 is: 279,332.63
Step by Step Solution
- Step 1: Write the proportion equation
283,063.91 : 390,750.77 = 202,351.46 : x - Step 2: Convert to fraction form
283,063.91/390,750.77 = 202,351.46/x - Step 3: Cross multiply
283,063.91x = 390,750.77 × 202,351.46 - Step 4: Simplify right side
283,063.91x = 79,068,987,793.87 - Step 5: Solve for x
x = 79,068,987,793.87/283,063.91 - Step 6: Final answer
x = 279,332.63
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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.