Finding the Fourth Proportional to 133,479.20, 184,201.28 and 73,049.92
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Solution
The fourth proportional to 133,479.20, 184,201.28 and 73,049.92 is: 100,808.88
Step by Step Solution
- Step 1: Write the proportion equation
133,479.20 : 184,201.28 = 73,049.92 : x - Step 2: Convert to fraction form
133,479.20/184,201.28 = 73,049.92/x - Step 3: Cross multiply
133,479.20x = 184,201.28 × 73,049.92 - Step 4: Simplify right side
133,479.20x = 13,455,888,767.90 - Step 5: Solve for x
x = 13,455,888,767.90/133,479.20 - Step 6: Final answer
x = 100,808.88
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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.