Finding the Fourth Proportional to 445,470.44, 668,194.52 and 129,930.08
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Solution
The fourth proportional to 445,470.44, 668,194.52 and 129,930.08 is: 194,891.86
Step by Step Solution
- Step 1: Write the proportion equation
445,470.44 : 668,194.52 = 129,930.08 : x - Step 2: Convert to fraction form
445,470.44/668,194.52 = 129,930.08/x - Step 3: Cross multiply
445,470.44x = 668,194.52 × 129,930.08 - Step 4: Simplify right side
445,470.44x = 86,818,563,448.54 - Step 5: Solve for x
x = 86,818,563,448.54/445,470.44 - Step 6: Final answer
x = 194,891.86
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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.