Finding the Fourth Proportional to 226,780.87, 340,281.96 and 142,580.62
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Solution
The fourth proportional to 226,780.87, 340,281.96 and 142,580.62 is: 213,940.50
Step by Step Solution
- Step 1: Write the proportion equation
226,780.87 : 340,281.96 = 142,580.62 : x - Step 2: Convert to fraction form
226,780.87/340,281.96 = 142,580.62/x - Step 3: Cross multiply
226,780.87x = 340,281.96 × 142,580.62 - Step 4: Simplify right side
226,780.87x = 48,517,612,831.62 - Step 5: Solve for x
x = 48,517,612,831.62/226,780.87 - Step 6: Final answer
x = 213,940.50
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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.