Finding the Fourth Proportional to 157,720.46, 236,583.97 and 56,525.09
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Solution
The fourth proportional to 157,720.46, 236,583.97 and 56,525.09 is: 84,788.80
Step by Step Solution
- Step 1: Write the proportion equation
157,720.46 : 236,583.97 = 56,525.09 : x - Step 2: Convert to fraction form
157,720.46/236,583.97 = 56,525.09/x - Step 3: Cross multiply
157,720.46x = 236,583.97 × 56,525.09 - Step 4: Simplify right side
157,720.46x = 13,372,928,872.57 - Step 5: Solve for x
x = 13,372,928,872.57/157,720.46 - Step 6: Final answer
x = 84,788.80
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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.