Finding the Fourth Proportional to 646,310.35, 969,908.28 and 225,586.18
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Solution
The fourth proportional to 646,310.35, 969,908.28 and 225,586.18 is: 338,533.81
Step by Step Solution
- Step 1: Write the proportion equation
646,310.35 : 969,908.28 = 225,586.18 : x - Step 2: Convert to fraction form
646,310.35/969,908.28 = 225,586.18/x - Step 3: Cross multiply
646,310.35x = 969,908.28 × 225,586.18 - Step 4: Simplify right side
646,310.35x = 218,797,903,835.57 - Step 5: Solve for x
x = 218,797,903,835.57/646,310.35 - Step 6: Final answer
x = 338,533.81
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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.