Finding the Fourth Proportional to 250,675.41, 345,932.63 and 143,245.18
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Solution
The fourth proportional to 250,675.41, 345,932.63 and 143,245.18 is: 197,678.67
Step by Step Solution
- Step 1: Write the proportion equation
250,675.41 : 345,932.63 = 143,245.18 : x - Step 2: Convert to fraction form
250,675.41/345,932.63 = 143,245.18/x - Step 3: Cross multiply
250,675.41x = 345,932.63 × 143,245.18 - Step 4: Simplify right side
250,675.41x = 49,553,181,852.22 - Step 5: Solve for x
x = 49,553,181,852.22/250,675.41 - Step 6: Final answer
x = 197,678.67
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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.