Finding the Fourth Proportional to 274,256.97, 378,509.67 and 153,404.97
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Solution
The fourth proportional to 274,256.97, 378,509.67 and 153,404.97 is: 211,718.46
Step by Step Solution
- Step 1: Write the proportion equation
274,256.97 : 378,509.67 = 153,404.97 : x - Step 2: Convert to fraction form
274,256.97/378,509.67 = 153,404.97/x - Step 3: Cross multiply
274,256.97x = 378,509.67 × 153,404.97 - Step 4: Simplify right side
274,256.97x = 58,065,264,571.06 - Step 5: Solve for x
x = 58,065,264,571.06/274,256.97 - Step 6: Final answer
x = 211,718.46
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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.