Finding the Fourth Proportional to 289,193.06, 433,807.97 and 89,496.68
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Solution
The fourth proportional to 289,193.06, 433,807.97 and 89,496.68 is: 134,250.71
Step by Step Solution
- Step 1: Write the proportion equation
289,193.06 : 433,807.97 = 89,496.68 : x - Step 2: Convert to fraction form
289,193.06/433,807.97 = 89,496.68/x - Step 3: Cross multiply
289,193.06x = 433,807.97 × 89,496.68 - Step 4: Simplify right side
289,193.06x = 38,824,372,625.06 - Step 5: Solve for x
x = 38,824,372,625.06/289,193.06 - Step 6: Final answer
x = 134,250.71
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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.