Finding the Fourth Proportional to 157,739.80, 236,609.70 and 95,531.80
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Solution
The fourth proportional to 157,739.80, 236,609.70 and 95,531.80 is: 143,297.70
Step by Step Solution
- Step 1: Write the proportion equation
157,739.80 : 236,609.70 = 95,531.80 : x - Step 2: Convert to fraction form
157,739.80/236,609.70 = 95,531.80/x - Step 3: Cross multiply
157,739.80x = 236,609.70 × 95,531.80 - Step 4: Simplify right side
157,739.80x = 22,603,750,538.46 - Step 5: Solve for x
x = 22,603,750,538.46/157,739.80 - Step 6: Final answer
x = 143,297.70
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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.