Finding the Fourth Proportional to 157,656.42, 236,477.97 and 73,387.62
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Solution
The fourth proportional to 157,656.42, 236,477.97 and 73,387.62 is: 110,078.33
Step by Step Solution
- Step 1: Write the proportion equation
157,656.42 : 236,477.97 = 73,387.62 : x - Step 2: Convert to fraction form
157,656.42/236,477.97 = 73,387.62/x - Step 3: Cross multiply
157,656.42x = 236,477.97 × 73,387.62 - Step 4: Simplify right side
157,656.42x = 17,354,555,400.73 - Step 5: Solve for x
x = 17,354,555,400.73/157,656.42 - Step 6: Final answer
x = 110,078.33
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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.