Finding the Fourth Proportional to 157,448.64, 236,218.97 and 50,830.09
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Solution
The fourth proportional to 157,448.64, 236,218.97 and 50,830.09 is: 76,259.99
Step by Step Solution
- Step 1: Write the proportion equation
157,448.64 : 236,218.97 = 50,830.09 : x - Step 2: Convert to fraction form
157,448.64/236,218.97 = 50,830.09/x - Step 3: Cross multiply
157,448.64x = 236,218.97 × 50,830.09 - Step 4: Simplify right side
157,448.64x = 12,007,031,504.81 - Step 5: Solve for x
x = 12,007,031,504.81/157,448.64 - Step 6: Final answer
x = 76,259.99
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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.