Finding the Fourth Proportional to 113,531.70, 170,297.55 and 29,291.70
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Solution
The fourth proportional to 113,531.70, 170,297.55 and 29,291.70 is: 43,937.55
Step by Step Solution
- Step 1: Write the proportion equation
113,531.70 : 170,297.55 = 29,291.70 : x - Step 2: Convert to fraction form
113,531.70/170,297.55 = 29,291.70/x - Step 3: Cross multiply
113,531.70x = 170,297.55 × 29,291.70 - Step 4: Simplify right side
113,531.70x = 4,988,304,745.34 - Step 5: Solve for x
x = 4,988,304,745.34/113,531.70 - Step 6: Final answer
x = 43,937.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.