Finding the Fourth Proportional to 303,682.20, 455,534.10 and 93,319.80
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Solution
The fourth proportional to 303,682.20, 455,534.10 and 93,319.80 is: 139,983.02
Step by Step Solution
- Step 1: Write the proportion equation
303,682.20 : 455,534.10 = 93,319.80 : x - Step 2: Convert to fraction form
303,682.20/455,534.10 = 93,319.80/x - Step 3: Cross multiply
303,682.20x = 455,534.10 × 93,319.80 - Step 4: Simplify right side
303,682.20x = 42,510,351,105.18 - Step 5: Solve for x
x = 42,510,351,105.18/303,682.20 - Step 6: Final answer
x = 139,983.02
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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.