Finding the Fourth Proportional to 208,888.28, 288,340.71 and 124,005.41
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Solution
The fourth proportional to 208,888.28, 288,340.71 and 124,005.41 is: 171,171.92
Step by Step Solution
- Step 1: Write the proportion equation
208,888.28 : 288,340.71 = 124,005.41 : x - Step 2: Convert to fraction form
208,888.28/288,340.71 = 124,005.41/x - Step 3: Cross multiply
208,888.28x = 288,340.71 × 124,005.41 - Step 4: Simplify right side
208,888.28x = 35,755,807,963.24 - Step 5: Solve for x
x = 35,755,807,963.24/208,888.28 - Step 6: Final answer
x = 171,171.92
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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.