Finding the Fourth Proportional to 598,135.91, 825,394.65 and 339,976.96
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Solution
The fourth proportional to 598,135.91, 825,394.65 and 339,976.96 is: 469,149.50
Step by Step Solution
- Step 1: Write the proportion equation
598,135.91 : 825,394.65 = 339,976.96 : x - Step 2: Convert to fraction form
598,135.91/825,394.65 = 339,976.96/x - Step 3: Cross multiply
598,135.91x = 825,394.65 × 339,976.96 - Step 4: Simplify right side
598,135.91x = 280,615,163,907.26 - Step 5: Solve for x
x = 280,615,163,907.26/598,135.91 - Step 6: Final answer
x = 469,149.50
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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.