Finding the Fourth Proportional to 157,515.44, 236,272.68 and 39,186.77
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Solution
The fourth proportional to 157,515.44, 236,272.68 and 39,186.77 is: 58,780.03
Step by Step Solution
- Step 1: Write the proportion equation
157,515.44 : 236,272.68 = 39,186.77 : x - Step 2: Convert to fraction form
157,515.44/236,272.68 = 39,186.77/x - Step 3: Cross multiply
157,515.44x = 236,272.68 × 39,186.77 - Step 4: Simplify right side
157,515.44x = 9,258,761,987.08 - Step 5: Solve for x
x = 9,258,761,987.08/157,515.44 - Step 6: Final answer
x = 58,780.03
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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.