Finding the Fourth Proportional to 422,084.25, 633,467.74 and 327,089.18
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Solution
The fourth proportional to 422,084.25, 633,467.74 and 327,089.18 is: 490,898.31
Step by Step Solution
- Step 1: Write the proportion equation
422,084.25 : 633,467.74 = 327,089.18 : x - Step 2: Convert to fraction form
422,084.25/633,467.74 = 327,089.18/x - Step 3: Cross multiply
422,084.25x = 633,467.74 × 327,089.18 - Step 4: Simplify right side
422,084.25x = 207,200,443,633.05 - Step 5: Solve for x
x = 207,200,443,633.05/422,084.25 - Step 6: Final answer
x = 490,898.31
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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.