Finding the Fourth Proportional to 247,352.05, 341,351.60 and 138,453.68
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Solution
The fourth proportional to 247,352.05, 341,351.60 and 138,453.68 is: 191,069.31
Step by Step Solution
- Step 1: Write the proportion equation
247,352.05 : 341,351.60 = 138,453.68 : x - Step 2: Convert to fraction form
247,352.05/341,351.60 = 138,453.68/x - Step 3: Cross multiply
247,352.05x = 341,351.60 × 138,453.68 - Step 4: Simplify right side
247,352.05x = 47,261,384,677.79 - Step 5: Solve for x
x = 47,261,384,677.79/247,352.05 - Step 6: Final answer
x = 191,069.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.