Finding the Fourth Proportional to 154,746.05, 213,470.94 and 101,062.49
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Solution
The fourth proportional to 154,746.05, 213,470.94 and 101,062.49 is: 139,414.90
Step by Step Solution
- Step 1: Write the proportion equation
154,746.05 : 213,470.94 = 101,062.49 : x - Step 2: Convert to fraction form
154,746.05/213,470.94 = 101,062.49/x - Step 3: Cross multiply
154,746.05x = 213,470.94 × 101,062.49 - Step 4: Simplify right side
154,746.05x = 21,573,904,050.67 - Step 5: Solve for x
x = 21,573,904,050.67/154,746.05 - Step 6: Final answer
x = 139,414.90
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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.