Finding the Fourth Proportional to 256,477.91, 353,957.84 and 141,754.09
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Solution
The fourth proportional to 256,477.91, 353,957.84 and 141,754.09 is: 195,630.77
Step by Step Solution
- Step 1: Write the proportion equation
256,477.91 : 353,957.84 = 141,754.09 : x - Step 2: Convert to fraction form
256,477.91/353,957.84 = 141,754.09/x - Step 3: Cross multiply
256,477.91x = 353,957.84 × 141,754.09 - Step 4: Simplify right side
256,477.91x = 50,174,970,977.06 - Step 5: Solve for x
x = 50,174,970,977.06/256,477.91 - Step 6: Final answer
x = 195,630.77
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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.