Finding the Fourth Proportional to 506,942.44, 699,572.10 and 280,583.08
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Solution
The fourth proportional to 506,942.44, 699,572.10 and 280,583.08 is: 387,199.96
Step by Step Solution
- Step 1: Write the proportion equation
506,942.44 : 699,572.10 = 280,583.08 : x - Step 2: Convert to fraction form
506,942.44/699,572.10 = 280,583.08/x - Step 3: Cross multiply
506,942.44x = 699,572.10 × 280,583.08 - Step 4: Simplify right side
506,942.44x = 196,288,094,500.07 - Step 5: Solve for x
x = 196,288,094,500.07/506,942.44 - Step 6: Final answer
x = 387,199.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.