Finding the Fourth Proportional to 340,930.20, 511,284.57 and 160,987.79
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Solution
The fourth proportional to 340,930.20, 511,284.57 and 160,987.79 is: 241,429.39
Step by Step Solution
- Step 1: Write the proportion equation
340,930.20 : 511,284.57 = 160,987.79 : x - Step 2: Convert to fraction form
340,930.20/511,284.57 = 160,987.79/x - Step 3: Cross multiply
340,930.20x = 511,284.57 × 160,987.79 - Step 4: Simplify right side
340,930.20x = 82,310,570,428.98 - Step 5: Solve for x
x = 82,310,570,428.98/340,930.20 - Step 6: Final answer
x = 241,429.39
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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.