Finding the Fourth Proportional to 489,833.67, 734,836.61 and 223,621.09
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Solution
The fourth proportional to 489,833.67, 734,836.61 and 223,621.09 is: 335,470.94
Step by Step Solution
- Step 1: Write the proportion equation
489,833.67 : 734,836.61 = 223,621.09 : x - Step 2: Convert to fraction form
489,833.67/734,836.61 = 223,621.09/x - Step 3: Cross multiply
489,833.67x = 734,836.61 × 223,621.09 - Step 4: Simplify right side
489,833.67x = 164,324,963,700.11 - Step 5: Solve for x
x = 164,324,963,700.11/489,833.67 - Step 6: Final answer
x = 335,470.94
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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.