Finding the Fourth Proportional to 483,489.75, 725,549.28 and 183,972.81
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Solution
The fourth proportional to 483,489.75, 725,549.28 and 183,972.81 is: 276,078.94
Step by Step Solution
- Step 1: Write the proportion equation
483,489.75 : 725,549.28 = 183,972.81 : x - Step 2: Convert to fraction form
483,489.75/725,549.28 = 183,972.81/x - Step 3: Cross multiply
483,489.75x = 725,549.28 × 183,972.81 - Step 4: Simplify right side
483,489.75x = 133,481,339,835.08 - Step 5: Solve for x
x = 133,481,339,835.08/483,489.75 - Step 6: Final answer
x = 276,078.94
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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.