Finding the Fourth Proportional to 375,787.76, 518,586.30 and 206,021.88
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Solution
The fourth proportional to 375,787.76, 518,586.30 and 206,021.88 is: 284,309.75
Step by Step Solution
- Step 1: Write the proportion equation
375,787.76 : 518,586.30 = 206,021.88 : x - Step 2: Convert to fraction form
375,787.76/518,586.30 = 206,021.88/x - Step 3: Cross multiply
375,787.76x = 518,586.30 × 206,021.88 - Step 4: Simplify right side
375,787.76x = 106,840,124,468.24 - Step 5: Solve for x
x = 106,840,124,468.24/375,787.76 - Step 6: Final answer
x = 284,309.75
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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.