Finding the Fourth Proportional to 458,324.82, 687,476.67 and 269,979.99
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Solution
The fourth proportional to 458,324.82, 687,476.67 and 269,979.99 is: 404,963.76
Step by Step Solution
- Step 1: Write the proportion equation
458,324.82 : 687,476.67 = 269,979.99 : x - Step 2: Convert to fraction form
458,324.82/687,476.67 = 269,979.99/x - Step 3: Cross multiply
458,324.82x = 687,476.67 × 269,979.99 - Step 4: Simplify right side
458,324.82x = 185,604,944,491.83 - Step 5: Solve for x
x = 185,604,944,491.83/458,324.82 - Step 6: Final answer
x = 404,963.76
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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.