Finding the Fourth Proportional to 412,143.84, 568,953.28 and 276,266.54
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Solution
The fourth proportional to 412,143.84, 568,953.28 and 276,266.54 is: 381,378.39
Step by Step Solution
- Step 1: Write the proportion equation
412,143.84 : 568,953.28 = 276,266.54 : x - Step 2: Convert to fraction form
412,143.84/568,953.28 = 276,266.54/x - Step 3: Cross multiply
412,143.84x = 568,953.28 × 276,266.54 - Step 4: Simplify right side
412,143.84x = 157,182,754,087.25 - Step 5: Solve for x
x = 157,182,754,087.25/412,143.84 - Step 6: Final answer
x = 381,378.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.