Finding the Fourth Proportional to 194,037.14, 291,055.79 and 87,296.45
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Solution
The fourth proportional to 194,037.14, 291,055.79 and 87,296.45 is: 130,944.70
Step by Step Solution
- Step 1: Write the proportion equation
194,037.14 : 291,055.79 = 87,296.45 : x - Step 2: Convert to fraction form
194,037.14/291,055.79 = 87,296.45/x - Step 3: Cross multiply
194,037.14x = 291,055.79 × 87,296.45 - Step 4: Simplify right side
194,037.14x = 25,408,135,981.91 - Step 5: Solve for x
x = 25,408,135,981.91/194,037.14 - Step 6: Final answer
x = 130,944.70
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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.