Finding the Fourth Proportional to 465,394.24, 642,227.20 and 284,408.96
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Solution
The fourth proportional to 465,394.24, 642,227.20 and 284,408.96 is: 392,474.07
Step by Step Solution
- Step 1: Write the proportion equation
465,394.24 : 642,227.20 = 284,408.96 : x - Step 2: Convert to fraction form
465,394.24/642,227.20 = 284,408.96/x - Step 3: Cross multiply
465,394.24x = 642,227.20 × 284,408.96 - Step 4: Simplify right side
465,394.24x = 182,655,170,035.71 - Step 5: Solve for x
x = 182,655,170,035.71/465,394.24 - Step 6: Final answer
x = 392,474.07
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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.