Finding the Fourth Proportional to 508,450.38, 701,705.10 and 279,051.99
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Solution
The fourth proportional to 508,450.38, 701,705.10 and 279,051.99 is: 385,115.66
Step by Step Solution
- Step 1: Write the proportion equation
508,450.38 : 701,705.10 = 279,051.99 : x - Step 2: Convert to fraction form
508,450.38/701,705.10 = 279,051.99/x - Step 3: Cross multiply
508,450.38x = 701,705.10 × 279,051.99 - Step 4: Simplify right side
508,450.38x = 195,812,204,548.15 - Step 5: Solve for x
x = 195,812,204,548.15/508,450.38 - Step 6: Final answer
x = 385,115.66
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1.5x scale
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.