Finding the Fourth Proportional to 375,563.81, 518,278.28 and 205,797.94
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Solution
The fourth proportional to 375,563.81, 518,278.28 and 205,797.94 is: 284,001.27
Step by Step Solution
- Step 1: Write the proportion equation
375,563.81 : 518,278.28 = 205,797.94 : x - Step 2: Convert to fraction form
375,563.81/518,278.28 = 205,797.94/x - Step 3: Cross multiply
375,563.81x = 518,278.28 × 205,797.94 - Step 4: Simplify right side
375,563.81x = 106,660,600,046.06 - Step 5: Solve for x
x = 106,660,600,046.06/375,563.81 - Step 6: Final answer
x = 284,001.27
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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.