Finding the Fourth Proportional to 339,599.05, 509,608.64 and 197,511.01
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Solution
The fourth proportional to 339,599.05, 509,608.64 and 197,511.01 is: 296,388.69
Step by Step Solution
- Step 1: Write the proportion equation
339,599.05 : 509,608.64 = 197,511.01 : x - Step 2: Convert to fraction form
339,599.05/509,608.64 = 197,511.01/x - Step 3: Cross multiply
339,599.05x = 509,608.64 × 197,511.01 - Step 4: Simplify right side
339,599.05x = 100,653,317,191.13 - Step 5: Solve for x
x = 100,653,317,191.13/339,599.05 - Step 6: Final answer
x = 296,388.69
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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.