Finding the Fourth Proportional to 250,088.69, 345,122.41 and 136,911.44
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Solution
The fourth proportional to 250,088.69, 345,122.41 and 136,911.44 is: 188,937.80
Step by Step Solution
- Step 1: Write the proportion equation
250,088.69 : 345,122.41 = 136,911.44 : x - Step 2: Convert to fraction form
250,088.69/345,122.41 = 136,911.44/x - Step 3: Cross multiply
250,088.69x = 345,122.41 × 136,911.44 - Step 4: Simplify right side
250,088.69x = 47,251,206,129.37 - Step 5: Solve for x
x = 47,251,206,129.37/250,088.69 - Step 6: Final answer
x = 188,937.80
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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.