Finding the Fourth Proportional to 893,011.20, 1,339,516.80 and 228,163.20
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Solution
The fourth proportional to 893,011.20, 1,339,516.80 and 228,163.20 is: 342,244.80
Step by Step Solution
- Step 1: Write the proportion equation
893,011.20 : 1,339,516.80 = 228,163.20 : x - Step 2: Convert to fraction form
893,011.20/1,339,516.80 = 228,163.20/x - Step 3: Cross multiply
893,011.20x = 1,339,516.80 × 228,163.20 - Step 4: Simplify right side
893,011.20x = 305,628,439,541.76 - Step 5: Solve for x
x = 305,628,439,541.76/893,011.20 - Step 6: Final answer
x = 342,244.80
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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.