Finding the Fourth Proportional to 545,963.63, 753,435.30 and 300,957.09
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Solution
The fourth proportional to 545,963.63, 753,435.30 and 300,957.09 is: 415,323.81
Step by Step Solution
- Step 1: Write the proportion equation
545,963.63 : 753,435.30 = 300,957.09 : x - Step 2: Convert to fraction form
545,963.63/753,435.30 = 300,957.09/x - Step 3: Cross multiply
545,963.63x = 753,435.30 × 300,957.09 - Step 4: Simplify right side
545,963.63x = 226,751,695,391.28 - Step 5: Solve for x
x = 226,751,695,391.28/545,963.63 - Step 6: Final answer
x = 415,323.81
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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.