Finding the Fourth Proportional to 336,657.20, 464,586.74 and 215,798.41
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Solution
The fourth proportional to 336,657.20, 464,586.74 and 215,798.41 is: 297,801.69
Step by Step Solution
- Step 1: Write the proportion equation
336,657.20 : 464,586.74 = 215,798.41 : x - Step 2: Convert to fraction form
336,657.20/464,586.74 = 215,798.41/x - Step 3: Cross multiply
336,657.20x = 464,586.74 × 215,798.41 - Step 4: Simplify right side
336,657.20x = 100,257,080,110.07 - Step 5: Solve for x
x = 100,257,080,110.07/336,657.20 - Step 6: Final answer
x = 297,801.69
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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.