Finding the Fourth Proportional to 106,451.50, 159,673.78 and 43,252.94
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Solution
The fourth proportional to 106,451.50, 159,673.78 and 43,252.94 is: 64,877.99
Step by Step Solution
- Step 1: Write the proportion equation
106,451.50 : 159,673.78 = 43,252.94 : x - Step 2: Convert to fraction form
106,451.50/159,673.78 = 43,252.94/x - Step 3: Cross multiply
106,451.50x = 159,673.78 × 43,252.94 - Step 4: Simplify right side
106,451.50x = 6,906,359,519.41 - Step 5: Solve for x
x = 6,906,359,519.41/106,451.50 - Step 6: Final answer
x = 64,877.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.