Finding the Fourth Proportional to 641,500.16, 961,615.20 and 303,944
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Solution
The fourth proportional to 641,500.16, 961,615.20 and 303,944 is: 455,615.12
Step by Step Solution
- Step 1: Write the proportion equation
641,500.16 : 961,615.20 = 303,944 : x - Step 2: Convert to fraction form
641,500.16/961,615.20 = 303,944/x - Step 3: Cross multiply
641,500.16x = 961,615.20 × 303,944 - Step 4: Simplify right side
641,500.16x = 292,277,170,348.80 - Step 5: Solve for x
x = 292,277,170,348.80/641,500.16 - Step 6: Final answer
x = 455,615.12
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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.