Finding the Fourth Proportional to 151,408.64, 227,113.80 and 39,081.18
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Solution
The fourth proportional to 151,408.64, 227,113.80 and 39,081.18 is: 58,621.99
Step by Step Solution
- Step 1: Write the proportion equation
151,408.64 : 227,113.80 = 39,081.18 : x - Step 2: Convert to fraction form
151,408.64/227,113.80 = 39,081.18/x - Step 3: Cross multiply
151,408.64x = 227,113.80 × 39,081.18 - Step 4: Simplify right side
151,408.64x = 8,875,875,298.28 - Step 5: Solve for x
x = 8,875,875,298.28/151,408.64 - Step 6: Final answer
x = 58,621.99
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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.