Finding the Fourth Proportional to 84,508.15, 126,753.97 and 22,178.65
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Solution
The fourth proportional to 84,508.15, 126,753.97 and 22,178.65 is: 33,265.81
Step by Step Solution
- Step 1: Write the proportion equation
84,508.15 : 126,753.97 = 22,178.65 : x - Step 2: Convert to fraction form
84,508.15/126,753.97 = 22,178.65/x - Step 3: Cross multiply
84,508.15x = 126,753.97 × 22,178.65 - Step 4: Simplify right side
84,508.15x = 2,811,231,564.41 - Step 5: Solve for x
x = 2,811,231,564.41/84,508.15 - Step 6: Final answer
x = 33,265.81
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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.