Finding the Fourth Proportional to 303,711.20, 455,243.14 and 228,599.08
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Solution
The fourth proportional to 303,711.20, 455,243.14 and 228,599.08 is: 342,655.01
Step by Step Solution
- Step 1: Write the proportion equation
303,711.20 : 455,243.14 = 228,599.08 : x - Step 2: Convert to fraction form
303,711.20/455,243.14 = 228,599.08/x - Step 3: Cross multiply
303,711.20x = 455,243.14 × 228,599.08 - Step 4: Simplify right side
303,711.20x = 104,068,162,980.31 - Step 5: Solve for x
x = 104,068,162,980.31/303,711.20 - Step 6: Final answer
x = 342,655.01
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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.