Finding the Fourth Proportional to 512,994.18, 769,491.46 and 133,913.84
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Solution
The fourth proportional to 512,994.18, 769,491.46 and 133,913.84 is: 200,870.81
Step by Step Solution
- Step 1: Write the proportion equation
512,994.18 : 769,491.46 = 133,913.84 : x - Step 2: Convert to fraction form
512,994.18/769,491.46 = 133,913.84/x - Step 3: Cross multiply
512,994.18x = 769,491.46 × 133,913.84 - Step 4: Simplify right side
512,994.18x = 103,045,556,255.81 - Step 5: Solve for x
x = 103,045,556,255.81/512,994.18 - Step 6: Final answer
x = 200,870.81
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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.