Finding the Fourth Proportional to 305,884.08, 459,176.04 and 288,388.08
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Solution
The fourth proportional to 305,884.08, 459,176.04 and 288,388.08 is: 432,912.03
Step by Step Solution
- Step 1: Write the proportion equation
305,884.08 : 459,176.04 = 288,388.08 : x - Step 2: Convert to fraction form
305,884.08/459,176.04 = 288,388.08/x - Step 3: Cross multiply
305,884.08x = 459,176.04 × 288,388.08 - Step 4: Simplify right side
305,884.08x = 132,420,896,557.60 - Step 5: Solve for x
x = 132,420,896,557.60/305,884.08 - Step 6: Final answer
x = 432,912.03
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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.