Finding the Fourth Proportional to 303,414.20, 455,121.30 and 93,024.80
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Solution
The fourth proportional to 303,414.20, 455,121.30 and 93,024.80 is: 139,537.20
Step by Step Solution
- Step 1: Write the proportion equation
303,414.20 : 455,121.30 = 93,024.80 : x - Step 2: Convert to fraction form
303,414.20/455,121.30 = 93,024.80/x - Step 3: Cross multiply
303,414.20x = 455,121.30 × 93,024.80 - Step 4: Simplify right side
303,414.20x = 42,337,567,908.24 - Step 5: Solve for x
x = 42,337,567,908.24/303,414.20 - Step 6: Final answer
x = 139,537.20
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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.