Finding the Fourth Proportional to 133,028.97, 199,424.79 and 48,769.46
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Solution
The fourth proportional to 133,028.97, 199,424.79 and 48,769.46 is: 73,110.68
Step by Step Solution
- Step 1: Write the proportion equation
133,028.97 : 199,424.79 = 48,769.46 : x - Step 2: Convert to fraction form
133,028.97/199,424.79 = 48,769.46/x - Step 3: Cross multiply
133,028.97x = 199,424.79 × 48,769.46 - Step 4: Simplify right side
133,028.97x = 9,725,838,321.79 - Step 5: Solve for x
x = 9,725,838,321.79/133,028.97 - Step 6: Final answer
x = 73,110.68
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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.