Finding the Fourth Proportional to 146,288.99, 219,371.17 and 57,480.19
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Solution
The fourth proportional to 146,288.99, 219,371.17 and 57,480.19 is: 86,195.81
Step by Step Solution
- Step 1: Write the proportion equation
146,288.99 : 219,371.17 = 57,480.19 : x - Step 2: Convert to fraction form
146,288.99/219,371.17 = 57,480.19/x - Step 3: Cross multiply
146,288.99x = 219,371.17 × 57,480.19 - Step 4: Simplify right side
146,288.99x = 12,609,497,080.55 - Step 5: Solve for x
x = 12,609,497,080.55/146,288.99 - Step 6: Final answer
x = 86,195.81
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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.