Finding the Fourth Proportional to 283,508.28, 390,703.12 and 202,795.68
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Solution
The fourth proportional to 283,508.28, 390,703.12 and 202,795.68 is: 279,472.98
Step by Step Solution
- Step 1: Write the proportion equation
283,508.28 : 390,703.12 = 202,795.68 : x - Step 2: Convert to fraction form
283,508.28/390,703.12 = 202,795.68/x - Step 3: Cross multiply
283,508.28x = 390,703.12 × 202,795.68 - Step 4: Simplify right side
283,508.28x = 79,232,904,898.52 - Step 5: Solve for x
x = 79,232,904,898.52/283,508.28 - Step 6: Final answer
x = 279,472.98
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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.