Finding the Fourth Proportional to 283,514.68, 390,711.90 and 202,802.08
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Solution
The fourth proportional to 283,514.68, 390,711.90 and 202,802.08 is: 279,481.77
Step by Step Solution
- Step 1: Write the proportion equation
283,514.68 : 390,711.90 = 202,802.08 : x - Step 2: Convert to fraction form
283,514.68/390,711.90 = 202,802.08/x - Step 3: Cross multiply
283,514.68x = 390,711.90 × 202,802.08 - Step 4: Simplify right side
283,514.68x = 79,237,186,000.75 - Step 5: Solve for x
x = 79,237,186,000.75/283,514.68 - Step 6: Final answer
x = 279,481.77
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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.