Finding the Fourth Proportional to 432,855.60, 649,283.40 and 273,423.30
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Solution
The fourth proportional to 432,855.60, 649,283.40 and 273,423.30 is: 410,134.95
Step by Step Solution
- Step 1: Write the proportion equation
432,855.60 : 649,283.40 = 273,423.30 : x - Step 2: Convert to fraction form
432,855.60/649,283.40 = 273,423.30/x - Step 3: Cross multiply
432,855.60x = 649,283.40 × 273,423.30 - Step 4: Simplify right side
432,855.60x = 177,529,209,863.22 - Step 5: Solve for x
x = 177,529,209,863.22/432,855.60 - Step 6: Final answer
x = 410,134.95
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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.