Finding the Fourth Proportional to 250,612.21, 345,843.33 and 135,889.72
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Solution
The fourth proportional to 250,612.21, 345,843.33 and 135,889.72 is: 187,526.99
Step by Step Solution
- Step 1: Write the proportion equation
250,612.21 : 345,843.33 = 135,889.72 : x - Step 2: Convert to fraction form
250,612.21/345,843.33 = 135,889.72/x - Step 3: Cross multiply
250,612.21x = 345,843.33 × 135,889.72 - Step 4: Simplify right side
250,612.21x = 46,996,553,277.57 - Step 5: Solve for x
x = 46,996,553,277.57/250,612.21 - Step 6: Final answer
x = 187,526.99
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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.