Finding the Fourth Proportional to 290,756.68, 401,076.84 and 181,671.82
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Solution
The fourth proportional to 290,756.68, 401,076.84 and 181,671.82 is: 250,602.53
Step by Step Solution
- Step 1: Write the proportion equation
290,756.68 : 401,076.84 = 181,671.82 : x - Step 2: Convert to fraction form
290,756.68/401,076.84 = 181,671.82/x - Step 3: Cross multiply
290,756.68x = 401,076.84 × 181,671.82 - Step 4: Simplify right side
290,756.68x = 72,864,359,161.23 - Step 5: Solve for x
x = 72,864,359,161.23/290,756.68 - Step 6: Final answer
x = 250,602.53
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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.