Finding the Fourth Proportional to 290,690.37, 401,161.82 and 175,990.05
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Solution
The fourth proportional to 290,690.37, 401,161.82 and 175,990.05 is: 242,871.78
Step by Step Solution
- Step 1: Write the proportion equation
290,690.37 : 401,161.82 = 175,990.05 : x - Step 2: Convert to fraction form
290,690.37/401,161.82 = 175,990.05/x - Step 3: Cross multiply
290,690.37x = 401,161.82 × 175,990.05 - Step 4: Simplify right side
290,690.37x = 70,600,487,879.94 - Step 5: Solve for x
x = 70,600,487,879.94/290,690.37 - Step 6: Final answer
x = 242,871.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.