Finding the Fourth Proportional to 419,349.08, 628,580.67 and 205,819.92
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Solution
The fourth proportional to 419,349.08, 628,580.67 and 205,819.92 is: 308,512.48
Step by Step Solution
- Step 1: Write the proportion equation
419,349.08 : 628,580.67 = 205,819.92 : x - Step 2: Convert to fraction form
419,349.08/628,580.67 = 205,819.92/x - Step 3: Cross multiply
419,349.08x = 628,580.67 × 205,819.92 - Step 4: Simplify right side
419,349.08x = 129,374,423,212.95 - Step 5: Solve for x
x = 129,374,423,212.95/419,349.08 - Step 6: Final answer
x = 308,512.48
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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.