Finding the Fourth Proportional to 301,276.19, 451,916.87 and 76,636.84
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Solution
The fourth proportional to 301,276.19, 451,916.87 and 76,636.84 is: 114,955.92
Step by Step Solution
- Step 1: Write the proportion equation
301,276.19 : 451,916.87 = 76,636.84 : x - Step 2: Convert to fraction form
301,276.19/451,916.87 = 76,636.84/x - Step 3: Cross multiply
301,276.19x = 451,916.87 × 76,636.84 - Step 4: Simplify right side
301,276.19x = 34,633,479,815.91 - Step 5: Solve for x
x = 34,633,479,815.91/301,276.19 - Step 6: Final answer
x = 114,955.92
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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.