Finding the Fourth Proportional to 482,896.89, 666,391.66 and 278,946.99
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Solution
The fourth proportional to 482,896.89, 666,391.66 and 278,946.99 is: 384,943.35
Step by Step Solution
- Step 1: Write the proportion equation
482,896.89 : 666,391.66 = 278,946.99 : x - Step 2: Convert to fraction form
482,896.89/666,391.66 = 278,946.99/x - Step 3: Cross multiply
482,896.89x = 666,391.66 × 278,946.99 - Step 4: Simplify right side
482,896.89x = 185,887,947,020.74 - Step 5: Solve for x
x = 185,887,947,020.74/482,896.89 - Step 6: Final answer
x = 384,943.35
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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.