Finding the Fourth Proportional to 263,104.84, 394,756.68 and 157,997.08
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Solution
The fourth proportional to 263,104.84, 394,756.68 and 157,997.08 is: 237,055.32
Step by Step Solution
- Step 1: Write the proportion equation
263,104.84 : 394,756.68 = 157,997.08 : x - Step 2: Convert to fraction form
263,104.84/394,756.68 = 157,997.08/x - Step 3: Cross multiply
263,104.84x = 394,756.68 × 157,997.08 - Step 4: Simplify right side
263,104.84x = 62,370,402,750.49 - Step 5: Solve for x
x = 62,370,402,750.49/263,104.84 - Step 6: Final answer
x = 237,055.32
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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.