Finding the Fourth Proportional to 467,880.09, 645,663.74 and 276,896.67
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Solution
The fourth proportional to 467,880.09, 645,663.74 and 276,896.67 is: 382,111.02
Step by Step Solution
- Step 1: Write the proportion equation
467,880.09 : 645,663.74 = 276,896.67 : x - Step 2: Convert to fraction form
467,880.09/645,663.74 = 276,896.67/x - Step 3: Cross multiply
467,880.09x = 645,663.74 × 276,896.67 - Step 4: Simplify right side
467,880.09x = 178,782,138,161.26 - Step 5: Solve for x
x = 178,782,138,161.26/467,880.09 - Step 6: Final answer
x = 382,111.02
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1.5x scale
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.