Finding the Fourth Proportional to 418,612.41, 628,234.62 and 306,583.08
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Solution
The fourth proportional to 418,612.41, 628,234.62 and 306,583.08 is: 460,106.05
Step by Step Solution
- Step 1: Write the proportion equation
418,612.41 : 628,234.62 = 306,583.08 : x - Step 2: Convert to fraction form
418,612.41/628,234.62 = 306,583.08/x - Step 3: Cross multiply
418,612.41x = 628,234.62 × 306,583.08 - Step 4: Simplify right side
418,612.41x = 192,606,105,911.92 - Step 5: Solve for x
x = 192,606,105,911.92/418,612.41 - Step 6: Final answer
x = 460,106.05
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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.