Finding the Fourth Proportional to 133,602.27, 184,371.21 and 73,176.72
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Solution
The fourth proportional to 133,602.27, 184,371.21 and 73,176.72 is: 100,983.92
Step by Step Solution
- Step 1: Write the proportion equation
133,602.27 : 184,371.21 = 73,176.72 : x - Step 2: Convert to fraction form
133,602.27/184,371.21 = 73,176.72/x - Step 3: Cross multiply
133,602.27x = 184,371.21 × 73,176.72 - Step 4: Simplify right side
133,602.27x = 13,491,680,410.23 - Step 5: Solve for x
x = 13,491,680,410.23/133,602.27 - Step 6: Final answer
x = 100,983.92
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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.