Finding the Fourth Proportional to 375,908.58, 518,777.46 and 206,142.75
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Solution
The fourth proportional to 375,908.58, 518,777.46 and 206,142.75 is: 284,489.95
Step by Step Solution
- Step 1: Write the proportion equation
375,908.58 : 518,777.46 = 206,142.75 : x - Step 2: Convert to fraction form
375,908.58/518,777.46 = 206,142.75/x - Step 3: Cross multiply
375,908.58x = 518,777.46 × 206,142.75 - Step 4: Simplify right side
375,908.58x = 106,942,212,242.42 - Step 5: Solve for x
x = 106,942,212,242.42/375,908.58 - Step 6: Final answer
x = 284,489.95
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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.