Finding the Fourth Proportional to 278,193.69, 417,285.95 and 88,651.44
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Solution
The fourth proportional to 278,193.69, 417,285.95 and 88,651.44 is: 132,975.70
Step by Step Solution
- Step 1: Write the proportion equation
278,193.69 : 417,285.95 = 88,651.44 : x - Step 2: Convert to fraction form
278,193.69/417,285.95 = 88,651.44/x - Step 3: Cross multiply
278,193.69x = 417,285.95 × 88,651.44 - Step 4: Simplify right side
278,193.69x = 36,992,999,916.01 - Step 5: Solve for x
x = 36,992,999,916.01/278,193.69 - Step 6: Final answer
x = 132,975.70
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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.