Finding the Fourth Proportional to 413,487.20, 620,282.64 and 202,947.68
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Solution
The fourth proportional to 413,487.20, 620,282.64 and 202,947.68 is: 304,446.96
Step by Step Solution
- Step 1: Write the proportion equation
413,487.20 : 620,282.64 = 202,947.68 : x - Step 2: Convert to fraction form
413,487.20/620,282.64 = 202,947.68/x - Step 3: Cross multiply
413,487.20x = 620,282.64 × 202,947.68 - Step 4: Simplify right side
413,487.20x = 125,884,922,732.28 - Step 5: Solve for x
x = 125,884,922,732.28/413,487.20 - Step 6: Final answer
x = 304,446.96
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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.