Finding the Fourth Proportional to 250,466.40, 345,642.84 and 135,748.44
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Solution
The fourth proportional to 250,466.40, 345,642.84 and 135,748.44 is: 187,332.42
Step by Step Solution
- Step 1: Write the proportion equation
250,466.40 : 345,642.84 = 135,748.44 : x - Step 2: Convert to fraction form
250,466.40/345,642.84 = 135,748.44/x - Step 3: Cross multiply
250,466.40x = 345,642.84 × 135,748.44 - Step 4: Simplify right side
250,466.40x = 46,920,476,327.17 - Step 5: Solve for x
x = 46,920,476,327.17/250,466.40 - Step 6: Final answer
x = 187,332.42
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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.