Finding the Fourth Proportional to 157,637.36, 236,412.26 and 43,758.99
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Solution
The fourth proportional to 157,637.36, 236,412.26 and 43,758.99 is: 65,626.33
Step by Step Solution
- Step 1: Write the proportion equation
157,637.36 : 236,412.26 = 43,758.99 : x - Step 2: Convert to fraction form
157,637.36/236,412.26 = 43,758.99/x - Step 3: Cross multiply
157,637.36x = 236,412.26 × 43,758.99 - Step 4: Simplify right side
157,637.36x = 10,345,160,911.39 - Step 5: Solve for x
x = 10,345,160,911.39/157,637.36 - Step 6: Final answer
x = 65,626.33
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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.