Finding the Fourth Proportional to 250,507.32, 345,737.03 and 158,634.99
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Solution
The fourth proportional to 250,507.32, 345,737.03 and 158,634.99 is: 218,939.67
Step by Step Solution
- Step 1: Write the proportion equation
250,507.32 : 345,737.03 = 158,634.99 : x - Step 2: Convert to fraction form
250,507.32/345,737.03 = 158,634.99/x - Step 3: Cross multiply
250,507.32x = 345,737.03 × 158,634.99 - Step 4: Simplify right side
250,507.32x = 54,845,990,296.68 - Step 5: Solve for x
x = 54,845,990,296.68/250,507.32 - Step 6: Final answer
x = 218,939.67
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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.