Finding the Fourth Proportional to 250,491.68, 345,679.80 and 135,770.48
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Solution
The fourth proportional to 250,491.68, 345,679.80 and 135,770.48 is: 187,363.96
Step by Step Solution
- Step 1: Write the proportion equation
250,491.68 : 345,679.80 = 135,770.48 : x - Step 2: Convert to fraction form
250,491.68/345,679.80 = 135,770.48/x - Step 3: Cross multiply
250,491.68x = 345,679.80 × 135,770.48 - Step 4: Simplify right side
250,491.68x = 46,933,112,372.30 - Step 5: Solve for x
x = 46,933,112,372.30/250,491.68 - Step 6: Final answer
x = 187,363.96
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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.