Finding the Fourth Proportional to 285,249.76, 427,857.36 and 74,883.04
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Solution
The fourth proportional to 285,249.76, 427,857.36 and 74,883.04 is: 112,320.02
Step by Step Solution
- Step 1: Write the proportion equation
285,249.76 : 427,857.36 = 74,883.04 : x - Step 2: Convert to fraction form
285,249.76/427,857.36 = 74,883.04/x - Step 3: Cross multiply
285,249.76x = 427,857.36 × 74,883.04 - Step 4: Simplify right side
285,249.76x = 32,039,259,803.17 - Step 5: Solve for x
x = 32,039,259,803.17/285,249.76 - Step 6: Final answer
x = 112,320.02
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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.