Finding the Fourth Proportional to 151,885.20, 227,827.80 and 63,311.70
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Solution
The fourth proportional to 151,885.20, 227,827.80 and 63,311.70 is: 94,967.55
Step by Step Solution
- Step 1: Write the proportion equation
151,885.20 : 227,827.80 = 63,311.70 : x - Step 2: Convert to fraction form
151,885.20/227,827.80 = 63,311.70/x - Step 3: Cross multiply
151,885.20x = 227,827.80 × 63,311.70 - Step 4: Simplify right side
151,885.20x = 14,424,165,325.26 - Step 5: Solve for x
x = 14,424,165,325.26/151,885.20 - Step 6: Final answer
x = 94,967.55
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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.